new delhi sep 19 gold rose by rs 50 to rs 31660 per 10 gram at the bullion market wednesday in tandem with a firming trend overseas amid persistent buying by local jewellers silver too surged by rs 300 to rs 38000 per kg on increased offtake by industrial units and coin makers traders said gold edged up on the back of firm trend overseas as the dollar weakened despite another round of titfortat tariffs in the chinaus trade dispute besides increased buying by local jewellers to meet the ongoing festive season demand at the domestic spot market supported the upside they said globally gold rallied 040 per cent to usd 120270 an ounce and silver by 042 pr cent to usd 1417 an ounce in singapore in the national capital gold of 999 per cent and 995 per cent purity rose by rs 50 each to rs 31660 and rs 31510 per 10 gram respectively sovereign however remained flat at rs 24500 per piece of eight gram in similar fashion silver ready strengthened by rs 300 to rs 38000 per kg and weeklybased delivery by rs 170 to rs 37475 per kg silver coins however remained unaltered at rs 72000 for buying and rs 73000 for selling of 100 pieces sun kps sun anu anu