The past year for Gentex (NASDAQ:GNTX) investors has not been profitable

Passive investing in an index fund is a good way to ensure your own returns roughly match the overall market. When you buy individual stocks, you can make higher profits, but you also face the risk of under-performance. Investors in Gentex Corporation (NASDAQ:GNTX) have tasted that bitter downside in the last year, as the share price dropped 33%. That's disappointing when you consider the market returned 16%. However, the longer term returns haven't been so bad, with the stock down 17% in the last three years. The falls have accelerated recently, with the share price down 20% in the last three months. This could be related to the recent financial results - you can catch up on the most recent data by reading our company report.

Since shareholders are down over the longer term, lets look at the underlying fundamentals over the that time and see if they've been consistent with returns.

See our latest analysis for Gentex

In his essay The Superinvestors of Graham-and-Doddsville Warren Buffett described how share prices do not always rationally reflect the value of a business. 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.

Unfortunately Gentex reported an EPS drop of 3.9% for the last year. This reduction in EPS is not as bad as the 33% share price fall. So it seems the market was too confident about the business, a year ago.

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

This free interactive report on Gentex's earnings, revenue and cash flow is a great place to start, if you want to investigate the stock further.

A Different Perspective

Investors in Gentex had a tough year, with a total loss of 32% (including dividends), against a market gain of about 16%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. Regrettably, last year's performance caps off a bad run, with the shareholders facing a total loss of 0.2% per year over five years. 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. Before spending more time on Gentex it might be wise to click here to see if insiders have been buying or selling shares.

But note: Gentex may not be the best stock to buy. So take a peek at this free list of interesting companies with past earnings growth (and further growth forecast).

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.