The simplest way to invest in stocks is to buy exchange traded funds. But investors can boost returns by picking market-beating companies to own shares in. For example, the Koh Brothers Eco Engineering Limited (Catalist:5HV) share price is up 97% in the last 1 year, clearly besting the market return of around 16% (not including dividends). If it can keep that out-performance up over the long term, investors will do very well! And shareholders have also done well over the long term, with an increase of 46% in the last three years.

Now it’s worth having a look at the company’s fundamentals too, because that will help us determine if the long term shareholder return has matched the performance of the underlying business.

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Given that Koh Brothers Eco Engineering didn’t make a profit in the last twelve months, we’ll focus on revenue growth to form a quick view of its business development. When a company doesn’t make profits, we’d generally hope to see good revenue growth. As you can imagine, fast revenue growth, when maintained, often leads to fast profit growth.

In the last year Koh Brothers Eco Engineering saw its revenue shrink by 16%. Despite the lack of revenue growth, the stock has returned a solid 97% the last twelve months. To us that means that there isn’t a lot of correlation between the past revenue performance and the share price, but a closer look at analyst forecasts and the bottom line may well explain a lot.

The image below shows how earnings and revenue have tracked over time (if you click on the image you can see greater detail).

Take a more thorough look at Koh Brothers Eco Engineering’s financial health with this free report on its balance sheet.

We’re pleased to report that Koh Brothers Eco Engineering shareholders have received a total shareholder return of 97% over one year. That gain is better than the annual TSR over five years, which is 7%. Therefore it seems like sentiment around the company has been positive lately. In the best case scenario, this may hint at some real business momentum, implying that now could be a great time to delve deeper. I find it very interesting to look at share price over the long term as a proxy for business performance. But to truly gain insight, we need to consider other information, too. Case in point: We’ve spotted 1 warning sign for Koh Brothers Eco Engineering you should be aware of.