Hefner hit

Hugh Hefner’s Playboy Mansion is worth $54 mil lion, or 45 times what Playboy Enterprises claimed, according to a shareholder suit challeng ing his takeover attempt.

Pandora IPO

Pandora Media Inc., the largest Internet-radio company, will raise as much as $100 million in an initial public offering.

Stocks cheer

Stocks jumped after Egyptian President Hosni Mubarak resigned. The Dow Jones industrial aver age rose to 12,273.26, its highest close since June 2008; the Nasdaq Com posite rose to 2,809.44, its highest close since 2007, and the Standard & Poor’s 500 rose to 1,329.15, its highest close since June 2008.

Thomas talk

Haim Saban and former Walt Disney chief Mi chael Eisner are mulling a bid for Apax Partners LLP’s HIT Entertainment Ltd., owner of Thomas the Tank Engine.

J.R. ruling

A California court dis missed an arbitration rul ing ordering Citigroup to pay almost $12 million to actor Larry Hagman in a case involving the alleged mishandling of his invest ment accounts because an arbitrator didn’t dis close involvement in a similar suit.