https://www.reuters.com/article/us-china-didi-global-stocks/china-clampdown-could-spur-fresh-short-selling-of-u-s-listed-shares-says-s3-idUSKCN2ED17B >China's clampdown on domestic companies listed on the U.S. stock market may prove the spark for a new burst of short-selling in Hong Kong and China-based firms after bears were forced to close out some positions earlier this year, according to analytics firm S3 Partners.