Rewards Network shares climb as Zell explores

http://finance.yahoo.com/news/Rewards-Network-shares-climb-apf-1367484991.html?x=0&.v=1

Shares of Rewards Network Inc. soared Wednesday, after real estate mogul Sam Zell sent a letter to company executives saying his private equity firm was interested in buying out the company that provides dining rewards programs for restaurants.

Zell is chairman of media company Tribune Co., which is under federal bankruptcy court protection after faltering under debt from Zell's leveraged buyout of the company in 2007.