Alibaba billionaire Jack Ma just pledged to donate 500,000 coronavirus tests and 1 million face masks to the US as shortages mount

· On Friday, Jack Ma, the billionaire founder of Chinese e-commerce giant Alibaba, pledged to donate 500,000 testing kits for the novel coronavirus and one million medical face masks to the United States.
· The gift could help alleviate a shortage of testing materials that has contributed to the US falling behind every other...