Caixin China Biz Roundup: Northern China Grapples with Country’s Worst Coronavirus Outbreak in Months

In today’s episode: Shijiazhuang, a city of 11 million in Hebei province, has gone into strict lockdown amid a surge in new cases; China’s biggest chipmaker stops trading in the U.S. after presidential order cuts it off from American investment; and how online education companies seem to be building war chests and burning through cash as competition heats up