Extending its gain for the second straight day, gold prices today rose marginally by 25 rupees to 33,125 rupees per 10 gram at the bullion market in the national capital on firm trend overseas, according to the All India Sarafa Association.

Silver, advanced by 100 rupees to 40,200 rupees per kg on increased demand from industrial units and coin makers.

Traders said besides firm trend overseas, increase in demand from jewellers due to a weaker rupee against the dollar aided the surge in the prices of the precious metal.