Precious metals futures main contracts extended gains: Shanghai gold 2608 up
1.69% at 888.88 yuan/gram; Shanghai silver 2610 up 4.91% at 14,358 yuan/kg;
platinum 2608 up 1.96% at 400.6 yuan/gram; palladium 2608 up about 4% intraday
at 304.3 yuan/gram.