Signage is displayed in the window of a Comcast Corp. Xfinity store in King Of Prussia, Pennsylvania, U.S. (Photographer: Charles Mostoller/Bloomberg)

Comcast Slides After $39 Billion Sky Takeover Spooks Investors

(Bloomberg) -- Comcast Corp. shares fell the most in three years as investors worried that the U.S. cable giant overpaid in an auction for the European satellite-TV company Sky Plc.