Shares of Berkshire Hathaway Inc. Cl B sank 0.33% to $405.77 Wednesday, on what proved to be an all-around mixed trading session for the stock market, with the S&P 500 Index rising 0.51% to 5,537.02 and the Dow Jones Industrial Average falling 0.

Few stocks have performed as well as Berkshire Hathaway (NYSE: BRK.A)(NYSE: BRK.B). Since 1965, shares have increased in value by nearly 4,000,000%! A $10,000 investment would now be worth more than $350 million.

As with everything on Wall Street, whether or not you should buy Berkshire Hathaway depends on what your goals are.