It might seem bad, but the worst that can happen when you buy a stock (without leverage) is that its share price goes to zero. But in contrast you can make much more than 100% if the company does well. To wit, the Louisiana-Pacific Corporation (NYSE:LPX) share price has flown 182% in the last three years. How nice for those who held the stock! On top of that, the share price is up 38% in about a quarter.

So let's assess the underlying fundamentals over the last 3 years and see if they've moved in lock-step with shareholder returns.

View our latest analysis for Louisiana-Pacific

In his essay The Superinvestors of Graham-and-Doddsville Warren Buffett described how share prices do not always rationally reflect the value of a business. By comparing earnings per share (EPS) and share price changes over time, we can get a feel for how investor attitudes to a company have morphed over time.

During three years of share price growth, Louisiana-Pacific achieved compound earnings per share growth of 828% per year. This EPS growth is higher than the 41% average annual increase in the share price. So it seems investors have become more cautious about the company, over time. We'd venture the lowish P/E ratio of 11.03 also reflects the negative sentiment around the stock.

The image below shows how EPS has tracked over time (if you click on the image you can see greater detail).

We like that insiders have been buying shares in the last twelve months. Even so, future earnings will be far more important to whether current shareholders make money. This free interactive report on Louisiana-Pacific's earnings, revenue and cash flow is a great place to start, if you want to investigate the stock further.

What About Dividends?

It is important to consider the total shareholder return, as well as the share price return, for any given stock. The TSR is a return calculation that accounts for the value of cash dividends (assuming that any dividend received was reinvested) and the calculated value of any discounted capital raisings and spin-offs. Arguably, the TSR gives a more comprehensive picture of the return generated by a stock. As it happens, Louisiana-Pacific's TSR for the last 3 years was 195%, which exceeds the share price return mentioned earlier. And there's no prize for guessing that the dividend payments largely explain the divergence!

A Different Perspective

It's nice to see that Louisiana-Pacific shareholders have received a total shareholder return of 39% over the last year. Of course, that includes the dividend. Since the one-year TSR is better than the five-year TSR (the latter coming in at 24% per year), it would seem that the stock's performance has improved in recent times. Someone with an optimistic perspective could view the recent improvement in TSR as indicating that the business itself is getting better with time. While it is well worth considering the different impacts that market conditions can have on the share price, there are other factors that are even more important. Case in point: We've spotted 3 warning signs for Louisiana-Pacific you should be aware of, and 2 of them are potentially serious.

There are plenty of other companies that have insiders buying up shares. You probably do not want to miss this free list of growing companies that insiders are buying.

Please note, the market returns quoted in this article reflect the market weighted average returns of stocks that currently trade on American exchanges.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.