The Platinum Doubler of the Year, Courtesy of… Gold? By: TalkMarkets May 20, 2016 at 08:16 AM EDT Gold and platinum have a special relationship, the so-called "gold-platinum ratio." Read More >> Related Stocks: Impala Platinum ADR Johnson Matthey Plc ADR Lonmin Plc Physical Platinum ETF Platinum Group Metals Ltd SPDR GOLD