Vale, BHP Billiton Shares In Free-Fall After Dam Disaster By: Benzinga via Benzinga November 09, 2015 at 09:11 AM EST An iron ore mine co-owned by BHP Billiton Limited (ADR) (NYSE: BHP) and Vale SA A (ADR) (NYSE: VALE) exploded last week in ... Read More >> Related Stocks: Bhp Billiton Ltd ADR Vale ADR Representing One Ord Shs