Steel ETFs In Focus As Miners Slash Iron Ore Forecast By: TalkMarkets October 21, 2016 at 15:01 PM EDT Two of the world’s largest iron ore producers – Vale SA and Rio Tinto plc. – slashed their iron ore outlook. Read More >> Related Stocks: MATERIALS Rio Tinto Plc ADR SPDR S&P 500 ETF Trust Vale ADR Representing One Ord Shs Vaneck Steel ETF