Short-sellers take aim at Chinese blockchain firm SOS, shares tumble
https://www.reuters.com/article/us-sos-hindenburg/short-sellers-take-aim-at-chinese-blockchain-firm-sos-shares-tumble-idUSKBN2AQ2PQ
Short-sellers Hindenburg Research and Culper Research said on Friday they have taken a short position on Chinese blockchain firm SOS Ltd's stock, sending the company's shares down 23%.