Uber misses on riders, beats revenue estimates as lockup expiry looms

(Reuters) - Uber Technologies Inc on Monday missed Wall Street estimates for monthly active users for its ride-hailing platform, even as it posted better-than-expected quarterly revenue, sending shares down 5% in extended trading.The company's shares are expected to be under pressure on Wednesday, when a restriction on selling stock lifts. Some analysts expect more than 80% of the company's outstanding shares will become eligible for sale.Uber said its monthly active platform users rose to 103..