Chinese billionaire Jack Ma tweeted for the first time ever to say he's started shipping 1 million masks and 500,000 coronavirus testing kits to the US

Alibaba billionaire Jack Ma. Ruben Sprich/Reuters Alibaba billionaire Jack Ma announced on Friday his charitable foundation would donate 500 million coronavirus testing kits and 1 million face masks to the US. Ma joined Twitter this month, and sent his first tweet on Saturday to say the first shipment of aid supplies was on...