*UnitedHealth shares jump on upgrade. "One way or the other, is all pointing to the story about how it might still be tough, but things are starting to point to better days ahead," said Ken Polcari, director of the NYSE floor division at O'Neil Securities in New York.
*UnitedHealth jumps on upgrade, Netflix slides on downgrade. All 10 S&P sector indexes rose for the day, led by the healthcare index, which gained 1.2 percent after Deutsche Bank upgraded the stock of UnitedHealth Group Inc to a "buy. "Shares of UnitedHealth, a Dow component, jumped 4 percent to $77.17.
*UnitedHealth gains on upgrade, Netflix slips on downgrade. All 10 S&P sectors rose on the day, led by healthcare, which advanced after Deutsche Bank upgraded UnitedHealth Group Inc to "buy." Shares of UnitedHealth, a Dow component, jumped 3.5 percent to $76.85 while Tenet Healthcare climbed 4.1 percent to $45.73 as the S&P's biggest percentage gainer.
*Netflix shares slide after Morgan Stanley downgrade. The latest evidence of strengthening economic fundamentals in the United States came in the form of the smallest trade deficit in four years in November, as exports hit a record high and weak oil prices restrained import growth.
German unemployment unexpectedly fell in December on a seasonally-adjusted basis, bolstering hopes that domestic consumption could lift growth in Europe's biggest economy. "Europe's data has not been bad. It gives optimism, "said Kim Forrest, senior equity research analyst at Fort Pitt Capital Group in Pittsburgh.
NEW YORK, Jan 7- U.S. stock index futures rose on Tuesday, rebounding after three days of losses on the S&P 500 with the help of upbeat data out of Germany.
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Stocks closed mixed as worries about a weakening economy and credit crunch continued to rattle the markets.