Pinterest shares surge as revenue, user adds beat estimates

(Reuters) - Image sharing company Pinterest Inc beat analysts' estimates for fourth-quarter revenue and profit on Thursday, as efforts to improve user interaction and expand globally paid off, sending its shares surging 17% in extended trading.The company also beat estimates for average revenue per user and provided a bullish 2020 sales forecast as measures like adding augmented reality features to its platform and expanding into markets like Denmark, Norway and Switzerland attracted more..