Total0 Keep plans to conduct a U.S. IPO of up to US$500 million Chinese fitness mobile app Keep, backed by SoftBank and Tencent, plans to conduct a U.S. IPO of up to US$500 million. Pony.ai approved to test autonomous vehicle in California Chinese self-driving start-up Pony.ai has obtained permission from the California Department of Motor Vehicles(DMV) to test driverless cars on designated streets in three cities without a safety driver. According to DMV, these vehicles will be driven on roads with posted speed limits not exceeding 45 miles per hour in clear weather and light precipitation.