Domino's Pizza is an interesting pick since the fast food industry is very competitive. But over the last 15 years, the stock has delivered an astonishing return of 5,500%, which indicates a formidable competitive moat that could make the stock an excellent buy after the recent dip.

Warren Buffett’s Berkshire Hathaway said Thursday it made new investments in Domino’s Pizza and Pool Corp. in the third quarter, even as it retrenched from stocks such as Apple and Bank of America.

Despite his immense wealth, Warren Buffett, as he admits, is a man of simple tastes. Perhaps that focus on basic American food staples inspired one of the more unexpected new buys from his investment vehicle Berkshire Hathaway (NYSE: BRK.