Morgan Stanley Calls BHP Billiton 'A Core Holding,' Upgrades To Overweight By: Benzinga via Benzinga January 13, 2016 at 07:57 AM EST BHP Billiton Limited (ADR) (NYSE: BHP) shares are down 20 percent in first few days of trading in 2016. Morgan ... Read More >> Related Stocks: Bhp Billiton Ltd ADR