Google-DoubleClick deal seen spurring Web ad M&A

April 16 - Reuters - Google Inc.'s $3.1 billion purchase of DoubleClick Inc. will create a new powerhouse in digital advertising that could spur a wave of takeovers in the online marketing sector. The planned acquisition, unveiled late on Friday, prompted a rally in shares of digital advertising companies on Monday, with aQuantive Inc. jumping 12.2 percent, Real Media Inc. up 10.6 percent and ValueClick Inc. gaining 2.3 percent. Read More.