WuXi Company Shares Tumble on U.S. Bill Aimed at Chinese Biotech

Shares of the WuXi family of companies tumbled on concerns a proposed bill will block the U.S. government from doing business with Chinese biotechnology companies due to alleged military ties.

Shares of the WuXi family of companies tumbled on concerns a proposed bill will block the U.S. government from doing business with Chinese biotechnology companies due to alleged military ties.