Wall Street buoyed by oil after claims data, Pfizer deal

U.S. stocks rallied on Thursday after an upbeat report on the labor market, a continued rise in oil prices and news Pfizer would buy Hospira in a massive deal. Weekly jobless claims rose less than expected last week. Oil prices bounced from the prior session's selloff, with U.S. crude up 5.3 percent to $51.04 and Brent up 4.9 percent to $56.81. "It seems like the (energy) stocks are trading with the fundamentals, they are not richer than the fundamentals, so maybe we have some 'up