The company's largest shareholder needs cash within the next year.Shares of travel platform Tripadvisor (TRIP -28.93%) got hammered on Wednesday after reporting quarterly financial results, revealing that the company wasn't for sale, and as investors grappled with concerning commentary from Liberty Tripadvisor Holdings. As of 1:30 p.m. ET, Tripadvisor stock was down 28%.Pull up a seat -- this story is trickyThis confusing story is hard to succinctly explain, but here goes: Liberty Tripadvisor is an independ ...