Suitors are reportedly lining up to woo DoubleClick, the digital advertising company, and that could be good news for Seattle's aQuantive, said Jefferies & Co. analyst Youssef Squali in a note last week, according to PaidContent. A sale could cause a ripple effect that leads to acquisitions of aQuantive and others in the industry, the note said.

Perhaps that's why aQuantive's share price has been creeping up over the past month?