The truth is that if you invest for long enough, you're going to end up with some losing stocks. But the last three years have been particularly tough on longer term Rogers Corporation (NYSE:ROG) shareholders. Sadly for them, the share price is down 61% in that time. The more recent news is of little comfort, with the share price down 21% in a year.

Given the past week has been tough on shareholders, let's investigate the fundamentals and see what we can learn.

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 the three years that the share price fell, Rogers' earnings per share (EPS) dropped by 21% each year. This reduction in EPS is slower than the 27% annual reduction in the share price. So it's likely that the EPS decline has disappointed the market, leaving investors hesitant to buy.

You can see below how EPS has changed over time (discover the exact values by clicking on the image).

Dive deeper into Rogers' key metrics by checking this interactive graph of Rogers's earnings, revenue and cash flow.

A Different Perspective

Investors in Rogers had a tough year, with a total loss of 21%, against a market gain of about 30%. 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 3% 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. 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. Consider for instance, the ever-present spectre of investment risk. We've identified 2 warning signs with Rogers , and understanding them should be part of your investment process.

We will like Rogers better if we see some big insider buys.

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

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.