By buying an index fund, you can roughly match the market return with ease. But if you buy good businesses at attractive prices, your portfolio returns could exceed the average market return. Just take a look at TTM Technologies, Inc. (NASDAQ:TTMI), which is up 70%, over three years, soundly beating the market return of 17% (not including dividends).

In light of the stock dropping 6.4% in the past week, we want to investigate the longer term story, and see if fundamentals have been the driver of the company's positive three-year return.

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.

During three years of share price growth, TTM Technologies moved from a loss to profitability. That would generally be considered a positive, so we'd expect the share price to be up.

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

It's probably worth noting that the CEO is paid less than the median at similar sized companies. But while CEO remuneration is always worth checking, the really important question is whether the company can grow earnings going forward. This free interactive report on TTM Technologies' earnings, revenue and cash flow is a great place to start, if you want to investigate the stock further.

A Different Perspective

It's good to see that TTM Technologies has rewarded shareholders with a total shareholder return of 58% in the last twelve months. Since the one-year TSR is better than the five-year TSR (the latter coming in at 11% per year), it would seem that the stock's performance has improved in recent times. Given the share price momentum remains strong, it might be worth taking a closer look at the stock, lest you miss an opportunity. 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. Take risks, for example - TTM Technologies has 1 warning sign we think you should be aware of.

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.