Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B), the conglomerate that Warren Buffett has run for nearly 60 years, owned a lot of different stocks over the years. Some didn't work out, but some of them turned out to be huge wins. 

One of the best investments in recent years was the decision to buy shares of Apple (NASDAQ: AAPL). Buffett first bought a stake in the iPhone maker in the first quarter of 2016. Since the start of that year, a $10,000 investment would have turned into about $68,000 (as of Aug. 9), translating to a monster return of 579% that trounces the overall market. 

It's important for investors to understand where this top tech business has been before considering buying the stock right now. 

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Source Fool.com