It hasn't been the best quarter for Tenet Healthcare Corporation (NYSE:THC) shareholders, since the share price has fallen 29% in that time. But in stark contrast, the returns over the last half decade have impressed. Indeed, the share price is up an impressive 118% in that time. Generally speaking the long term returns will give you a better idea of business quality than short periods can. Only time will tell if there is still too much optimism currently reflected in the share price.

So let's investigate and see if the longer term performance of the company has been in line with the underlying business' progress.

Check out our latest analysis for Tenet Healthcare

To paraphrase Benjamin Graham: Over the short term the market is a voting machine, but over the long term it's a weighing machine. 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 the five years of share price growth, Tenet Healthcare moved from a loss to profitability. Sometimes, the start of profitability is a major inflection point that can signal fast earnings growth to come, which in turn justifies very strong share price gains.

The company's earnings per share (over time) is depicted in the image below (click to see the exact numbers).

We like that insiders have been buying shares in the last twelve months. Having said that, most people consider earnings and revenue growth trends to be a more meaningful guide to the business. Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here..

A Different Perspective

It's nice to see that Tenet Healthcare shareholders have received a total shareholder return of 40% over the last year. Since the one-year TSR is better than the five-year TSR (the latter coming in at 17% per year), it would seem that the stock's performance has improved in recent times. Given the share price momentum remains strong, it might be worth taking a closer look at the stock, lest you miss an opportunity. It's always interesting to track share price performance over the longer term. But to understand Tenet Healthcare better, we need to consider many other factors. Consider for instance, the ever-present spectre of investment risk. We've identified 3 warning signs with Tenet Healthcare (at least 1 which shouldn't be ignored) , and understanding them should be part of your investment process.

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.