Shares of major Chinese electric bike manufacturers surged after their executives said in a media interview that their sales have increased significantly this year, and partly because of the Covid-19 pandemic. Some of the rising stocks included Niu Technologies and Yadea Group Holdings, both gaining over 20 percent in a single day. Niu's stock price [NASDAQ: NIU] jumped to USD22.11 yesterday in New York. That of Yadea [HKG: 1585] edged up to HKD6.37 (US 82 cents) this afternoon in Hong Kong. From January to May, Yadea's sales climbed by more than 50 percent from a year ago, CCTV News reported yesterday, citing Senior Vice President Wang Jiazhong. Electric bicycle sales grew by more than 60 percent in the first half, said Wang Haiju, general manager of Aima Technology Group. China is the world's largest exporter of electric two-wheelers, making up more than 90 percent of the total. But the domestic market is also massive. As of June 2019, Chinese consumers had more than 250 ...