Platinum is headed for its biggest drop in five weeks, extending a decline from a six-year high reached earlier this month, as investors reassess the PGM market. Spot platinum declined 2.8% to $1,239.73/oz by 11:45 a.m. in New York, as the US dollar saw slight gains and stocks declined on worries that economic recovery prospects are already priced in. Palladium also fell by 2.6% to $2,341.50/oz. One week earlier, platinum rallied past the $1,300/oz level to its highest since September 2014 on bets that a recovery in industrial demand and stricter emissions rules will tighten supply of the metal used to curb pollution ... (full story)