Warren Buffett usually doesn't bet the farm on any one stock. Most of the 40 or so stocks in his Berkshire Hathaway portfolio make up less than 1% of the conglomerate's total equity investments.

However, (NASDAQ: AAPL) is a notable exception. A whopping 40.3% of Buffett's $336 billion portfolio was invested in the iPhone maker as of March 31 -- even after Buffett and his team trimmed their position. Should you buy Apple stock, too?

To understand why Buffett loves Apple so much, it's helpful to remember what he wrote to Berkshire Hathaway shareholders last year. The legendary investor said he and his longtime business partner, the late Charlie Munger, were business-pickers rather than stock-pickers.

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Source Fool.com