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General Motors Corp. (NYSE: GM), Ford Motor Co. (NYSE: F) and Chrysler appealed to Congress for a bailout Tuesday. GM said it wouldn't last till New Year's without an immediate $4 billion and is asking for as much as $18 billion to keep afloat and survive. Together they asked for $34 billion. Meanwhile, November auto sales plunged 37% with Ford's U.S. sales declining 31%, GM's falling 41% and Chrysler LLC's dropping 47%. Overseas rivals didn't do better. GM shares traded 5.2% lower and F's 1.9% higher in pre-market (7:51 and 7:55 am respectively).

Research In Motion Ltd. (NASDAQ: RIMM) lowered its financial earnings per share, revenue and new subscriber accounts guidance for its third-quarter, saying it has added fewer new subscribers than expected as the economy slowed. This news will likely have an effect on Apple Inc. (NASDAQ: AAPL) as well. RIMM shares already hit a low Tuesday following an estimate cut from JPMorgan. RIMM shares traded 5.6% lower in premarket action (7:58 am). AAPL shares were down 2% in premarket trade (8:09 am).

Bank of America (NYSE: BAC) could end up cutting 30,000 jobs as it absorbs Merrill Lynch (NYSE: MER), three times as many as previously estimated, sources told CNBC, as BAC's CEO is trying to increase cost cuts. The majority of the layoffs are likely to come from Merrill's side of the business. BAC shares were 3% lower in premarket trade (7:59 am).

Constellation Energy Group Inc. (NYSE: CEG) finds itself in the midst of a bidding war as Electricite de France SA, the world's biggest operator of atomic reactors and which owns 9.5%, offered to pay $4.5 billion for half of CEG's nuclear business to expand in the U.S. CEG agreed earlier this year to be bought by Warren Buffett's Berkshire Hathaway Inc.'s MidAmerican Energy Holdings Co. for $4.7 billion. CEG shares gained over 25% in premarket trading (8:00 am).

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