Google Groans Amid Acquisition Rumors

Google's response has been added to this story.

MOUNTAIN VIEW, Calif. ( TheStreet) -- Google ( GOOG) shares slumped on Tuesday amid ongoing chatter about a possible acquisition of online discounter Groupon and an impending EU antitrust probe.

The search giant's shares closed down $26.4, or 4.54%, at $555.71 on Tuesday, far outpacing the broader retreat in tech stocks that saw the Nasdaq slip 1.07%. Shares of search sector rivals Yahoo ( YHOO) and Microsoft ( MSFT) also closed down, falling 3.45% and 0.21%, respectively.

Citing sources close to the situation, the Wall Street Journal blog All Things Digital reported that Google has offered $5.3 billion for Groupon, in what would be the search giant's biggest-ever acquisition.

The New York Times, also citing people with direct knowledge of the matter, reports Google could acquire Groupon for between $5 billion to $6 billion.

Amid the chatter, some investors and analysts have expressed worries about spending a record amount of capital for a startup that may not fit into Google's corporate culture, while others have applauded the deal, noting that Groupon could serve as a springboard for Google into local advertising.

Google, however, declined to provide comment for this story when contacted by TheStreet. "We don't comment on rumor or speculation," explained a Google spokesman, in an email.

--Written by James Rogers in New York.

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