Skip to content
Let's All Get Right

Growth Investing

Analyzing Growth: Historical Data and Analyst Forecasts

What a company's growth record can tell you, why cash is harder to fake than profit, and how to read analyst forecasts without mistaking them for facts.


Two places to look

Growth investing needs evidence that a company is growing. There are only two kinds of it, and they answer different questions.

The first is the company's own record — what its revenue, earnings, and cash have actually done over recent years. This is measured, reported, and auditable. It is also entirely about the past.

The second is what professional analysts expect the company to do next. This is about the future, which is the part you actually need. It is also, unavoidably, somebody's opinion.

Neither source is sufficient alone, and the failure modes run in opposite directions. Lean only on history and you'll buy companies whose best years are behind them. Lean only on forecasts and you'll buy somebody's optimism. This lesson takes them one at a time and is honest about what each is worth.

What the growth record can tell you

Historical growth is a company's demonstrated ability, over recent periods, to increase the business measures that matter — what it sells, what it earns, and what cash it generates. Rising stock prices tend to grow out of that soil.

A track record is worth something. A company that has grown for years has shown it can — it has a product people keep buying, and management that has executed before. That's real information, and it's more than you have about a company with no record at all.

It is not a promise. Past growth is evidence that growth was possible under the conditions that existed. Conditions change: competitors arrive, markets saturate, the thing everyone wanted stops being the thing everyone wants. The record tells you what the company did. It does not tell you what happens next, and treating it as though it does is one of the most common ways growth investors get hurt.

Four measures carry most of the signal. The first two come from the income statement — the report of what a company sold and what it earned over a period. The third comes from the cash flow statement, which tracks where the money actually came from and where it went. The fourth is the stock itself.

Revenue growth

Revenue is what a company brought in from selling its products and services, before any costs are subtracted. It sits at the top of the income statement, which is why you'll hear it called the top line.

Revenue growth is the rate that number rises over time, and it's the closest thing to a direct reading of demand. If more people are buying more of what a company sells, revenue goes up. There is no long-term business without it — a company can survive a stretch of losses, but not a stretch of nobody buying anything.

It's also the metric with the fewest places to hide. Earnings depend on a chain of judgments about costs; revenue mostly depends on whether customers showed up.

EPS growth, and when it stops matching revenue

Earnings per share (EPS) is profit divided by the number of shares outstanding — the company's bottom line, expressed per share you own. EPS growth is how fast that rises.

Selling more is only half a business. Selling more and keeping some of it is the other half. When revenue climbs and EPS climbs alongside it, the company is growing without letting costs grow just as fast. That's the pattern growth investors are looking for: earnings keeping pace with revenue or beating it.

Video coming soon

The same company's reported profit and its actual cash from operations, drawn as two lines over several years — rising together, then splitting apart, and what that gap is telling you.

This lesson explains the idea in full without it.

Now the interesting case — when the two diverge. EPS can grow while revenue sits still. There are two ordinary ways this happens, and both are worth being able to spot.

The first is cost cutting. The company sells the same amount but spends less making and delivering it, so more of each dollar survives to the bottom line. The second is arithmetic: EPS is profit divided by share count, so shrinking the share count raises EPS without touching profit. A company that buys back its own shares — a share buyback — reduces the denominator, and EPS rises mechanically.

Here's what that looks like. Fictional XYZ, with round numbers chosen to make the point clearly:

YearRevenueProfitShares outstandingEPS
1$100 million$10 million10 million$1.00
2$100 million$11 million9 million$1.22
3$100 million$12 million8 million$1.50

EPS grew 50% over two years. Revenue grew not at all. If you looked only at EPS you'd think you'd found a fast-growing company. You've found a company that has gotten more efficient and bought back a fifth of its stock — which may be a perfectly good thing for it to have done, and is not the same thing as growth.

The point isn't that cost cuts and buybacks are bad. It's that they're finite. You can only cut costs so far, and you can only retire so many shares. Demand is the thing that can keep going. When EPS growth and revenue growth pull apart, the divergence is telling you which engine is actually running — and one of those engines eventually runs out of road.

Cash flow growth

Cash flow is money that actually moved — what came into the company and what went out, after the cost of maintaining and buying the assets it runs on. Cash flow growth is the rise in that over time.

The old line is that you can't fake cash flow. It's a good line, and here's why it's true.

Earnings are not a measurement. They're a construction. Turning a year of business activity into a single profit number requires decisions: when a sale counts as a sale, how fast equipment wears out on the books, what a future obligation is worth today. Accounting rules constrain those decisions but don't eliminate the judgment in them, and judgment can lean.

The clearest example: a company can book a sale as revenue before the customer has paid. That's often legitimate — the work is done, the invoice is out, the money is coming. But the profit line now includes money the company does not have. Lean on that hard enough, across enough sales, and you can report rising earnings during a period when less and less cash is actually arriving.

Cash doesn't work that way. It's in the account or it isn't. So when reported earnings are climbing and cash flow isn't, that gap is a question you need answered before you buy anything. Sometimes there's a fine explanation. Sometimes the earnings were an argument rather than a fact.

What you want in a growth candidate is the three moving together: sales rising, earnings rising with them, and cash rising too. Three measures with different failure modes agreeing with each other is far stronger evidence than any one of them alone.

Figure

Two lines over five years for one company: reported earnings and cash from operations. For the first three years they rise together in close step. In years four and five the earnings line keeps climbing at the same slope while the cash line flattens and then bends downward — the widening gap between them is the whole point of the figure.

Stock price growth

The last measure is the plainest: what the stock price has done.

It matters for a mechanical reason. However good the business gets, a growth investor's return arrives as a rising share price. Fundamental strength that never shows up in the price is a fact about the company and not yet money in your account.

Price growth also feeds itself for a while. A company with strong fundamentals attracts buyers, buying pushes the price up, and a rising price attracts more attention and more buyers. That's momentum, and it's genuinely part of how growth investing pays.

Be clear-eyed about what that means, though. A price rising partly because it has been rising is a price with something other than the business inside it. That component can reverse quickly and for no fundamental reason at all — which is a large part of why growth stocks swing harder than value stocks. The trend is worth reading. It is not evidence about the company.

Reading direction and magnitude

For each measure you're asking two things: which way is it going, and how much. A rough five-band reading is enough to organize what you're looking at — highly negative, negative, neutral, positive, highly positive.

ReadingWhat you're seeingWhat it should make you ask
Highly negativeFalling sharplyIs this a broken business, or one bad year?
NegativeDrifting downHow long has this been true, and is it accelerating?
NeutralFlatIs the company mature, stalled, or between cycles?
PositiveRising steadilyIs this durable, and is it showing up across all four measures?
Highly positiveRising sharplyWhat's driving it, and what would have to stay true for it to continue?

Growth investors are looking for the bottom two rows across revenue, EPS, and cash flow together. That much is obvious.

What's worth saying is what this scale is and isn't. It is a way to hold four noisy measures in your head at once and notice when they disagree — the whole reason it's useful is that it makes an "EPS: highly positive, revenue: neutral" pattern jump out at you. It is not a rating, it has no authority, and nobody assigns it. The bands are approximations you draw yourself, the boundaries between them are yours, and a company doesn't change because you moved it from one row to another. Use it to organize your reading. Don't use it as a verdict.

Narrowing the field

You cannot read four measures across thousands of companies by hand. This is what a stock screener is for — a search tool that filters the market down by criteria you set. Most brokers and financial data providers offer one.

You used one earlier in this course to find value candidates, and the mechanics are identical here. What changes is the criteria. A value screen filters on valuation ratios: it asks which companies are cheap relative to their earnings, sales, or book value. A growth screen doesn't care about cheap. It filters on growth rates — companies whose revenue, earnings, and cash flow have risen at some minimum pace over some number of years.

The output is a list, not an answer. Screens are good at eliminating and bad at deciding. Everything above — whether EPS is keeping pace with revenue, whether cash agrees with earnings, what's driving the trend — is work you do after the screen has cut the field down to something you can read.

What analysts actually publish

History tells you where a company has been. To act, you need a view of where it's going, and one available input is what professional analysts think.

Analyst forecasts are published estimates of a company's future results, produced by professionals who cover that company for a living. They build them from company management's own guidance about sales and production, and from information gathered around the business — suppliers, customers, competitors. Out of that they project results for the next quarter, the next fiscal year, and sometimes several years out.

The appeal is obvious: this is forward-looking, which the historical record can never be, and it's assembled by people with more access and more hours than you have.

Which brings us to the part of this lesson that matters most.

Two things follow from that, and they're the ones people miss.

Precision is not accuracy. A forecast of $2.14 a share reads as more authoritative than "around two bucks." It isn't. The decimal places come from the arithmetic of the model, not from any knowledge of what will happen. A very precise number built on assumptions about next year's demand is a very precise guess. Confidence in a forecast should track the assumptions underneath it, and those are rarely shown to you.

The incentives don't point at your interests. Analysts work inside firms with businesses to run and relationships to keep. Companies grant access, and access is easier to keep with favorable coverage than with hostile coverage. There is a structural pull toward optimism in published research, and it shows up in the ratings themselves. Scroll a list of analyst ratings and you'll notice what's missing: outright sell ratings are rare. Buys are everywhere, holds are common, and a hold is often doing the work a sell would do if saying "sell" were free. This doesn't make any individual analyst dishonest. It means the base rate you're reading against is tilted, and a "buy" is a weaker signal than it sounds because most things are rated buy.

None of this makes analyst research worthless. It makes it a particular kind of input: useful for what analysts know that you don't — the industry detail, the supplier conversations, the model of how this business works — and unreliable for the conclusion they attach to it.

Analyst research reaches you in three forms.

Recommendations and the consensus

An analyst recommendation is the analyst's published opinion on the stock, usually issued quarterly and usually compressed into one word: buy, sell, or hold. Some firms use their own vocabulary — outperform, underperform, and similar — but the shape is the same.

The first thing to understand about a recommendation is that it was not written about you. It has no idea what else you own, how long until you need the money, or how much loss you could absorb without selling at the bottom. A "buy" is a claim about a stock in the abstract. Whether that stock belongs in your portfolio is a question about your portfolio, and the analyst has never seen it.

The second thing: "buy" doesn't mean buy. It means one analyst's model produced a number above the current price, under assumptions you haven't read, on a time frame that may be nothing like yours, inside an industry where positive ratings are the default.

When several analysts cover the same company — which usually means a large, well-known one — their recommendations get averaged into a consensus, a single summary of what the covering analysts collectively think.

Revisions

A revision is an analyst changing a previously published recommendation or estimate. A positive revision raises it; a negative revision lowers it.

Analysts update their views constantly, but a revision means something crossed a threshold — new information significant enough to justify a public reversal. It might be broad, like an economic event reshaping a whole segment, or specific, like an acquisition or a problem that surfaced.

Revisions get watched closely because a positive one sometimes moves the price up and a negative one sometimes moves it down. Read that carefully: sometimes. The market may have priced the news before the analyst published, in which case the revision moves nothing. And a revision is still just an opinion changing — the information behind it is the thing worth understanding, not the label change itself. An analyst who upgrades a stock after it has already doubled has told you about the analyst, not the company.

Earnings estimates

An earnings estimate is the analyst's projection of what a company will earn in a coming period — next quarter, next year, sometimes further. It's the rawest of the three: a number, not a verdict.

That's why it's arguably the most useful of them. An estimate is a claim you can check. The period ends, the company reports, and you find out how close the analyst was. Do that for a few periods and you learn something real about whose numbers to weight and whose to discount — which is more than you'll ever learn from a rating.

Estimates are also where the expectations bar lives. Stocks routinely move on the gap between what a company earned and what was expected, rather than on the earnings themselves. A company can grow profit substantially and the stock can fall, because more had been priced in. That's not the market being irrational. It's the market having already bought the good news.

Putting the pieces together

You now have two bodies of evidence: what the company has done, and what informed people expect it to do. Neither decides anything on its own.

The synthesis is less about combining them and more about interrogating them against each other. Does the forecast follow from the record, or does it require a break from it? If analysts expect acceleration from a company whose revenue has been flat for three years, something has to explain that — a new product, a changed market, something. Find the something, or don't believe the forecast. When the record and the expectations tell the same story, you have corroboration from independent directions. When they conflict, you've found the exact question worth your time.

And keep the standing of each straight while you do it. The history is data — checkable, and about the past. The forecasts are opinion — unverifiable until they aren't, and shaped by incentives that aren't yours. Both go into an investment thesis: your written reason for owning something, and what would prove you wrong. Writing down which parts of your case rest on measured facts and which rest on somebody's projection is most of what makes a thesis useful later, when the stock moves and you have to decide whether anything actually changed.

Where this leaves you

That's the end of the course.

Here's an honest accounting of what you have. You can read a company's financial statements and know what the ratios are telling you. You can build an estimate of intrinsic value and, more importantly, you know that it's your estimate and that it can be wrong. You can write a plan and follow it instead of your gut. You know what growth investing asks for and what it costs. And you know how to read an analyst forecast as the opinion it is.

That's a real foundation. It isn't a finished skill, and nobody becomes a good analyst by reading anything, including this. What actually builds the skill is doing it on real companies, being wrong in ways you can identify afterward, and keeping records honest enough that you learn from it rather than just remembering the wins.

Also worth saying plainly: none of this obligates you to pick individual stocks. Fundamental analysis is a demanding, time-consuming discipline, and most people — including most people who understand it well — are better served by low-fee index funds and their time back. What this course gives you is the ability to make that choice knowingly instead of by default, and to understand what the people picking stocks are actually doing. That's worth having either way.

Key takeaways

  • Growth evidence comes from two places: the company's record, which is measured but backward-looking, and analyst forecasts, which look forward but are opinions. Each fails in the opposite direction from the other.
  • Revenue, EPS, cash flow, and price each tell you something different, and the useful signal is often in their disagreement. EPS rising on flat revenue means cost cuts or buybacks — real, but finite in a way that demand isn't.
  • Earnings are constructed with judgment in them; cash either arrived or it didn't. When reported profit climbs and cash doesn't, that gap is a question to answer before you buy.
  • An analyst forecast is a professional guess. Precision isn't accuracy, the incentives across the industry tilt toward optimism, and "buy" doesn't mean buy.
  • A consensus estimate is the average of guesses, not what a company will earn. It's useful as a read on what the market expects — the bar the company has to clear — and for nothing more than that.

Check your understanding

Question 1 of 5

Fictional ABC is covered by twelve analysts. Their consensus earnings estimate for next year is $3.40 a share. What does that number actually tell you?