U.S. stock index futures were little changed Wednesday as expectations that Spain will request a bailout offset concern over a slowing Chinese economy, with modest volume indicating a pause ahead of the release of key U.S. data.
* Best Buy shares gained 4.7 percent in premarket trading as founder Richard Schulze and at least four private equity firms started examining the books of the world's largest consumer electronics chain, in early steps toward what could become an $11 billion buyout.
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* Google subsidiary Motorola Mobility has dropped a complaint of patent infringement against Apple without explanation.
(Reporting by Rodrigo Campos; Editing by Bernadette Baum)