U.S. stocks rose for a fifth week, capping the steepest rally since 1933, as Wells Fargo & Co.’s higher-than-estimated earnings and speculation banks will pass government stress tests spurred optimism that the industry’s slump is ending.

Bank of America Corp., American Express Co. and JPMorgan Chase & Co. helped drive a gauge of 80 financial companies in the Standard & Poor’s 500 Index to a 9.4 percent advance. Wells Fargo surged 20 percent after reporting record first-quarter profit. Lincoln National Corp. and Principal Financial Group Inc. jumped at least 37 percent as the Treasury considered bailouts for life insurers.

“This was a really, really positive start to the earnings season,” Hugh Johnson, who oversees $750 million as chairman of Johnson Illington Advisors in Albany, New York, told Bloomberg Television. “Banks are not going to be forced to take the kind of write-offs they had to take in prior quarters.”

The S&P 500 gained 1.7 percent to 856.56. It has soared 27 percent since March 9, the most in 23 days since the Great Depression, according to Howard Silverblatt, an analyst at S&P. The Dow Jones Industrial Average added 0.8 percent to 8,083.38 this week. U.S. exchanges are closed today for Good Friday.  Read the rest of this entry »