(Bloomberg) -- WuXi Biologics Cayman Inc. shares slumped for the second day as investors worried over a ramp-up in geopolitical tensions following a US draft bill targeting Chinese biotech companies.Most Read from BloombergTraders Line Up for ‘Once-in-a-Generation’ Emerging Markets BetSingapore’s $200,000 Toyotas Fuel Angst Over Wealth GapHouthi Hit on Russian Fuel Has Traders Recalculating RisksThree US Troops Killed in Attack Tied to Iran-Backed GroupsTrump’s Cash Stockpile at Risk From $450 M