Shareholders in Sterling and Wilson Renewable Energy (NSE:SWSOLAR) have lost 64%, as stock drops 9.2% this past week

The nature of investing is that you win some, and you lose some. Anyone who held Sterling and Wilson Renewable Energy Limited (NSE:SWSOLAR) over the last year knows what a loser feels like. In that relatively short period, the share price has plunged 64%. Longer term shareholders haven't suffered as badly, since the stock is down a comparatively less painful 23% in three years. Furthermore, it's down 29% in about a quarter. That's not much fun for holders.

After losing 9.2% this past week, it's worth investigating the company's fundamentals to see what we can infer from past performance.

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While the efficient markets hypothesis continues to be taught by some, it has been proven that markets are over-reactive dynamic systems, and investors are not always rational. 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.

Sterling and Wilson Renewable Energy managed to increase earnings per share from a loss to a profit, over the last 12 months.

When a company has just transitioned to profitability, earnings per share growth is not always the best way to look at the share price action. So it makes sense to check out some other factors.

Sterling and Wilson Renewable Energy's revenue is actually up 108% over the last year. Since the fundamental metrics don't readily explain the share price drop, there might be an opportunity if the market has overreacted.

The company's revenue and earnings (over time) are depicted in the image below (click to see the exact numbers).

We know that Sterling and Wilson Renewable Energy has improved its bottom line over the last three years, but what does the future have in store? You can see how its balance sheet has strengthened (or weakened) over time in this free interactive graphic.

A Different Perspective

While the broader market lost about 0.9% in the twelve months, Sterling and Wilson Renewable Energy shareholders did even worse, losing 64%. Having said that, it's inevitable that some stocks will be oversold in a falling market. The key is to keep your eyes on the fundamental developments. Unfortunately, last year's performance may indicate unresolved challenges, given that it was worse than the annualised loss of 0.4% over the last half decade. We realise that Baron Rothschild has said investors should "buy when there is blood on the streets", but we caution that investors should first be sure they are buying a high quality business. If you would like to research Sterling and Wilson Renewable Energy in more detail then you might want to take a look at whether insiders have been buying or selling shares in the company.

If you would prefer to check out another company -- one with potentially superior financials -- then do not miss this free list of companies that have proven they can grow earnings.

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