Bill Ready, CEO of Pinterest, rings the opening bell at the New York Stock Exchange on May 15, 2024.Brendan McDermid | ReutersPinterest shares plunged 15% on Thursday after the social media company provided soft guidance for its fourth-quarter revenue despite beating on the top and bottom lines with its third-quarter earnings.Here's how the company performed, according to LSEG:Revenue: $898 million vs. $896 million expectedEarnings per share: 40 cents adjusted vs. 34 cents expectedThe company sa...