US stocks : Dow up 0.5 pct

Apple shares dropped 2.4 percent to $439.88, and the iPhone maker lost its coveted title as the largest U.S. company by market capitalization to Exxon Mobil Corp.

Apple's market cap fell to $413 billion, down roughly $250 billion from its September peak. Apple's fall is about equal to the entire value of Google Inc.

Adding to the bullish tone, German business morale improved for a third consecutive month in January to its highest in more than six months. In addition, European banks said they will repay the European Central Bank much more than expected of the loans the bank gave them during the crisis.

"Good news in credit markets helps set the stage for (more investment in) riskier assets," Krosby said.

For the week, the Dow rose 1.8 percent, the S&P climbed 1.1 percent and the Nasdaq rose 0.5 percent. It was the fourth straight week of gains for all three indexes.

Helping to lift the Nasdaq on Friday, Starbucks, rose 4.1 percent to $56.81 after the coffee retailer reported stronger-than-expected sales in the United States and Asia. {ID:nL1N0ATH04]

Netflix added 15.5 percent to $169.56, following its massive 42.2 percent jump Thursday after it announced a surprise jump in subscribers to its video streaming service.

Thomson Reuters data through Friday showed that of the 147 S&P 500 companies that have reported earnings, 68 percent exceeded expectations. Since 1994, 62 percent of companies have topped expectations, while the average over the past

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