Stock futures were flat on Thursday amid uncertainty over U.S. fiscal negotiations, as President Barack Obama threatened to veto a controversial Republican plan, suggesting a deal wouldn't come as soon as many investors had hoped.
* IntercontinentalExchange Inc is in talks to buy NYSE Euronext , the operator of the New York Stock Exchange, according to a source familiar with the situation on Wednesday, in a multibillion dollar deal.
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* Google Inc agreed to sell set-top TV box maker Motorola Home to Arris Group Inc for $2.35 billion in cash and stock, the companies said on Wednesday.
(Editing by Bernadette Baum)