Despite lower earnings than three years ago, Altra Industrial Motion (NASDAQ:AIMC) investors are up 43% since then

Altra Industrial Motion Corp. (NASDAQ:AIMC) shareholders might be concerned after seeing the share price drop 21% in the last quarter. In contrast the stock is up over the last three years. Arguably you'd have been better off buying an index fund, because the gain of 38% in three years isn't amazing.

While this past week has detracted from the company's three-year return, let's look at the recent trends of the underlying business and see if the gains have been in alignment.

See our latest analysis for Altra Industrial Motion

To quote Buffett, 'Ships will sail around the world but the Flat Earth Society will flourish. There will continue to be wide discrepancies between price and value in the marketplace...' One way to examine how market sentiment has changed over time is to look at the interaction between a company's share price and its earnings per share (EPS).

During three years of share price growth, Altra Industrial Motion moved from a loss to profitability. So we would expect a higher share price over the period.

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

We know that Altra Industrial Motion has improved its bottom line lately, but is it going to grow revenue? You could check out this free report showing analyst revenue forecasts.

What About Dividends?

When looking at investment returns, it is important to consider the difference between total shareholder return (TSR) and share price return. Whereas the share price return only reflects the change in the share price, the TSR includes the value of dividends (assuming they were reinvested) and the benefit of any discounted capital raising or spin-off. Arguably, the TSR gives a more comprehensive picture of the return generated by a stock. As it happens, Altra Industrial Motion's TSR for the last 3 years was 43%, which exceeds the share price return mentioned earlier. This is largely a result of its dividend payments!

A Different Perspective

Altra Industrial Motion shareholders are down 24% for the year (even including dividends), but the market itself is up 6.2%. Even the share prices of good stocks drop sometimes, but we want to see improvements in the fundamental metrics of a business, before getting too interested. On the bright side, long term shareholders have made money, with a gain of 3% per year over half a decade. If the fundamental data continues to indicate long term sustainable growth, the current sell-off could be an opportunity worth considering. 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. For instance, we've identified 3 warning signs for Altra Industrial Motion (1 shouldn't be ignored) that you should be aware of.

We will like Altra Industrial Motion better if we see some big insider buys. While we wait, check out this free list of growing companies with considerable, recent, insider buying.

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