Authentic Brands Group Weighs Rival Bid for Guess?

Authentic Brands Group Inc. is considering launching a rival takeover bid for American clothing company Guess? Inc., people familiar with the matter said.

New York-based Authentic Brands is working on a potential offer that would counter the $13-a-share cash proposal that Guess received in March from WHP Global, according to the people.

Shares of Guess surged as much as 26 percent on Thursday. The stock was up 17 percent at $11.635 at 3:27 p.m. in New York, giving the company a market value…