Pinterest shares tank 20% on earnings miss, weak guidance

Pinterest shares dropped 19% in after-hours on Thursday after the social media company reported fourth-quarter earnings in which the company revealed an earnings per share miss while also providing weak guidance.Here's how the company did, compared to analysts' consensus estimates from LSEG:Earnings per share: 67 cents adjusted vs. 69 cents expectedRevenue: $1.32 billion vs. $1.33 billion expectedPinterest said it expects first-quarter sales to come in between $951 million to $971 million, trailing analyst ...