WuXi stocks tumble as Rubio continues to press China agenda

WuXi Biologics and WuXi AppTec ended down about 6% in Hong Kong on Friday, losing a combined $765 million in market cap, as Sen. Marco Rubio (R-Fla.) continued to ratchet up pressure on China's life sciences sector by introducing two amendments to a defense spending bill that seek to put restrictions on the country's influence.

WuXi AppTec Co. Ltd. (Shanghai:603259; HKEX:2359) lost HK$3.80 to HK$65.55, and WuXi Biologics Inc. (HKEX:2269) fell HK$4.30 to HK$69.05 on Friday. WuXi AppTec also slipped RMB1.27 to RMB85.06 in Shanghai. The Hang Seng index closed down less than 1% on the day...