BofA Downgrades Tenaris, Says Recovery 'Will Take Time' By: Benzinga via Benzinga June 22, 2015 at 09:38 AM EDT In a report published Monday, BofA Merrill Lynch analyst Frank McGann downgraded the rating on Tenaris SA (ADR) (NYSE: TS) from Neutral ... Read More >> Related Stocks: Tenaris S.A. ADR