There have been rumors that Google will acquire Groupon. This rumor makes Groupon's share price soar 23% in three weeks.Groupon's share price closed at $4.69 yesterday, which is Groupon's highest price since October 19. Since November 2011 IPO, Groupon's share price dropped 77%.Telsey Advisory Group analyst Tom Forte said Groupon's market capitalization shrunk to $3.07 billion, It's possible that Google may choose to acquire Groupon at this time. In fact, after there was news that Google was considering to acquire Groupon with 6 billion US dollar, but Groupon rejected it. "If Google wanted a p...