That's why he is Warren Buffett...

Shares of Warren Buffett’s Berkshire Hathaway (Class A) have finished 2010 with a 21.4% return, outperforming the benchmark S&P’s 12.8%.

The win reverses Buffett’s defeat in 2009, when the S&P’s 23.5% return clobbered Berkshire’s 2.7% number. Berkshire has beaten the S&P in four of the past five years, and six of the past ten years. The full record is below.