After 24 consecutive quarters of purchasing a stock that's gained almost 5,750,000%, the Oracle of Omaha has suddenly gone a full year without buying one share. There isn't a money manager on Wall Street who commands the attention of professional and everyday investors quite like Berkshire Hathaway (BRK.A 0.60%) (BRK.B 1.16%) CEO Warren Buffett. The affably dubbed "Oracle of Omaha," who's set to step down from the CEO role by the end of the year, has delivered a nearly 5,750,000% cumulative return in his co ...