Wells Fargo announces $30 billion buyback, shares rise
Wells Fargo building in San Francisco.Source: CNBCWells Fargo shares popped Tuesday after the bank said it would buy back $30 billion in stock.The company also said its board of directors approved a previously announced dividend increase, to 35 cents per share from the previous 30 cents. The sum is payable on Sept. 1 to shareholders of record on Aug. 4.Wells Fargo's stock rose more than 3% in extended trading Tuesday.The moves come after the bank beat second-quarter earnings and revenue expectations, driven by a 29%…