https://www.reuters.com/article/us-xiaomi-results/xiaomi-revenue-surges-64-prepares-autonomous-driving-expansion-idUSKBN2FQ0U5 >SHENZHEN, China (Reuters) -Smartphone maker Xiaomi Corp's second-quarter revenue rose a record 64% from a year earlier, it said on Wednesday, announcing the purchase of an autonomous driving startup as it prepares to expand into the competitive market.