 The U.S.-listed shares of Pinduoduo Inc. PDD, -1.44 shot up 10.1 toward a one-year high in premarket trading Monday, after the China-based mobile marketplace reported third-quarter profit and revenue that rose well above forecasts, as strength in online marketing and transaction services offset some weakness in merchandise sales. Net income climbed to RMB10.59 billion 1.49 billion, or RMB7.34 a share, from RMB1.64 billion, or RMB1.15 a share, in the year-ago period. 