Xiaomi Tech, a Chinese smartphone maker, outpaced U.S. giant Apple Inc. in China's market share during the first quarter, data showed Wednesday, emerging as another threat to Samsung Electronics Co. Xiaomi became the No. 3 player in the region with a market share of 11 percent, outdoing Apple for the first time, according to the data by Counterpoint Technology Market Research. The U.S. firm's market share measured at 10 percent.