It's not possible to invest over long periods without making some bad investments. But really big losses can really drag down an overall portfolio. So spare a thought for the long term shareholders of Nu Skin Enterprises, Inc. (NYSE:NUS); the share price is down a whopping 79% in the last three years. That would certainly shake our confidence in the decision to own the stock. The more recent news is of little comfort, with the share price down 64% in a year. Even worse, it's down 10% in about a month, which isn't fun at all.

After losing 7.7% this past week, it's worth investigating the company's fundamentals to see what we can infer from past performance.

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 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.

Over the three years that the share price declined, Nu Skin Enterprises' earnings per share (EPS) dropped significantly, falling to a loss. This was, in part, due to extraordinary items impacting earnings. Since the company has fallen to a loss making position, it's hard to compare the change in EPS with the share price change. But it's safe to say we'd generally expect the share price to be lower as a result!

The company's earnings per share (over time) is depicted in the image below (click to see the exact numbers).

Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here.

What About Dividends?

It is important to consider the total shareholder return, as well as the share price return, for any given stock. The TSR incorporates the value of any spin-offs or discounted capital raisings, along with any dividends, based on the assumption that the dividends are reinvested. So for companies that pay a generous dividend, the TSR is often a lot higher than the share price return. In the case of Nu Skin Enterprises, it has a TSR of -76% for the last 3 years. That exceeds its share price return that we previously mentioned. This is largely a result of its dividend payments!

A Different Perspective

Investors in Nu Skin Enterprises had a tough year, with a total loss of 62% (including dividends), against a market gain of about 24%. 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 11% 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. It's always interesting to track share price performance over the longer term. But to understand Nu Skin Enterprises better, we need to consider many other factors. To that end, you should be aware of the 1 warning sign we've spotted with Nu Skin Enterprises .

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 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.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com