Stifel Downgrades Vale To Hold; Sees Iron Ore Price Move As 'Unsustainable' By: Benzinga via Benzinga March 10, 2016 at 08:24 AM EST Stifel’s Paul A. Massoud downgraded the rating for Vale SA (ADR) (NYSE: VALE) from Buy to Hold, with the company’s shares ... Read More >> Related Stocks: Vale ADR Representing One Ord Shs