Michael Yu Minhong, chairman of New Oriental Education & Technology Group, has found a new way to boost sales for his live-streaming business: bring English tutoring back. The 59-year-old founder of mainland China’s largest private education company appeared in a live-streaming session on Friday evening on Douyin, the Chinese version of TikTok also owned by ByteDance , after clips of a host teaching viewers to speak English while promoting food products went viral online. Yu said having hosts speak in two languages is a key transformation for the education group, and he thanked netizens for supporting the hosts who shifted...