Research In Motion warns; EdF attempts to break up Constellation deal LONDON (MarketWatch) - U.S. stock futures pointed to a weaker start Wednesday, with a warning from Research In Motion and expectations of further gloomy economic indicators casting a negative spell. S&P 500 futures dropped 12.9 points to 836.10 and Nasdaq 100 futures lost 15.5 points to 1,117.50. Dow industrial futures dropped 126 points. U.S. stocks recaptured some of the prior session's losses on Tuesday as the major U.S. automakers submitted turnaround plans to Congress. The Dow Jones Industrial Average rose 270 points, the Nasdaq Composite rose 51 points and the S&P 500 rose 32 points. Wednesday's calendar features the Institute of Supply Management's non-manufacturing index, a barometer of the services sector that's expected to contract further in November. Also due is the Fed's Beige Book of anecdotal evidence on the nation's economy. ADP's estimate for monthly employment, a revision to third-quarter productivity and weekly energy inventories data also will be released. Research In Motion fell 4% in Frankfurt as the maker of BlackBerry phones cut its third-quarter earnings and revenue goals. Electricite de France took on Warren Buffett's Berkshire Hathaway , offering $4.5 billion for assets of Constellation Energy . EdF said its Constellation offer values the Baltimore power provider at $52 a share. Constellation already has agreed to be bought by Berkshire Hathaway's MidAmerican Energy for $26.50 a share, or $4.7 billion. Infineon Technologies slumped over 20% in Frankfurt as the German chipmaker reported a widening loss and warned of an operating loss next year. Oil futures edged up 27 cents to $47.23 a barrel and the dollar slipped 0.2% to 92.98 yen. The FTSE 100 slipped 0.9% in London while the Nikkei 225 rose 1.8% in Tokyo.

Source