 Shares of Purple Innovation Inc. PRPL, -3.13 rocketed 32.6 in premarket trading Monday, after the mattress and bedding seller confirmed that it received an unsolicited buyout bid from hedge fund manager Coliseum Capital Management LLC. The company said Coliseum Capital was bidding 4.35 a share for the company, which represents a 55.9 premium to Fridays closing price of 2.79, and implies a market capitalization of about 361.97 million. 