by Mark Gongloff,(WSJ) 

Stocks opened the holiday-shortened week Tuesday with healthy gains, keeping alive hopes of the traditional, year-ending "Santa Claus" rally. But there was little news driving the rally, and some analysts suspected bargain hunters were taking advantage of tax-driven, year-end stock sales.

Given the importance of labor costs to inflation, stronger-than-expected job numbers will likely raise market fears that the Fed's next move will be to raise interest rates, said Bruce Zaro, chief technical strategist at Delta Global Advisors. Still, he expects a stock rally in January. "I don't think much can derail this market," he said.

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