Shares in ValueClick Inc. shot up nearly 9 percent Monday as more rumors that the online advertising company may be acquired circled Wall Street.

The notion that Time Warner Inc.’s AOL unit was kicking the tires of the Westlake Village-based company made the rounds Monday morning after Time Warner’s Chief executive Richard Parsons said at a conference that more acquisitions could occur to help AOL grow its platform.

Shares in ValueClick gained 8.9 percent, or $1.82, to $22.30 in afternoon trading Monday on the New York Stock Exchange.