The Hain Celestial Group, Inc. (NASDAQ:HAIN) shareholders should be happy to see the share price up 14% in the last month. Meanwhile over the last three years the stock has dropped hard. Regrettably, the share price slid 68% in that period. So the improvement may be a real relief to some. The rise has some hopeful, but turnarounds are often precarious.

On a more encouraging note the company has added US$52m to its market cap in just the last 7 days, so let's see if we can determine what's driven the three-year loss for shareholders.

See our latest analysis for Hain Celestial Group

While markets are a powerful pricing mechanism, share prices reflect investor sentiment, not just underlying business performance. One imperfect but simple way to consider how the market perception of a company has shifted is to compare the change in the earnings per share (EPS) with the share price movement.

Hain Celestial Group saw its share price decline over the three years in which its EPS also dropped, falling to a loss. Extraordinary items contributed to this situation. Since the company has fallen to a loss making position, it's hard to compare the change in EPS with the share price change. However, we can say we'd expect to see a falling share price in this scenario.

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

It's good to see that there was some significant insider buying in the last three months. That's a positive. On the other hand, we think the revenue and earnings trends are much more meaningful measures of the business. Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here..

A Different Perspective

Hain Celestial Group shareholders are down 33% for the year, but the market itself is up 18%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. Unfortunately, last year's performance may indicate unresolved challenges, given that it was worse than the annualised loss of 9% over the last half decade. Generally speaking long term share price weakness can be a bad sign, though contrarian investors might want to research the stock in hope of a turnaround. 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 1 warning sign for Hain Celestial Group that you should be aware of.

Hain Celestial Group is not the only stock insiders are buying. So take a peek at this free list of growing companies with insider 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.