Warren Buffett shows his appetite for buying stocks, including his own

Too much cash is a high-class problem, and one made possible by well-performing operations across the conglomerate's swath of energy, railroad and retail businesses

The world’s most famous stock-picker showed a growing appetite for equities in the third quarter — including a rare move to buy his own firm’s shares. Now, October’s market slide opens the door for Warren Buffett to finally make a dent in his giant pile of cash.

Berkshire Hathaway’s chairman poured more money into stock purchases last quarter than he has in more than four years. Buffett also spent $928 million on share buybacks during a few weeks in August, a move he’s typically spurned. While the repurchases amounted to less than 1 percent of the company’s cash, they set a