New Delhi: On Tuesday, , gold prices gained marginally by Rs 25 to Rs 34,475 per 10 gram at the bullion market in the national capital and showing extending the upward trend, tracking firm trend overseas, according to All India Sarafa Association. Silver, similarly, advanced by Rs 170 to Rs 41,700 per kg on increased offtake from industrial units and coin makers. Market traders shows that with local demand remaining flat, firm trend overseas influenced the sentiment, leading to marginal increase in the prices of yellow metal. Globally, gold traded higher at USD 1,315.33 an ounce while silver stood at USD 15.88 an ounce in New York. On Monday, gold had surged by Rs 340. While In the national capital, gold of 99.9 per cent and 99.5 per cent purities advanced by Rs 25 each to Rs 34,475 and Rs 34,325 per 10 gram, respectively. However, sovereign gold held steady at Rs 26,100 per piece of eight gram.However, Silver ready gained by Rs 170 to Rs 41,700 per kg, while weekly-based delivery was up by Rs 208 to Rs 40,645 per kg. On other hand, silver coins held flat at Rs 80,000 for buying and Rs 81,000 for selling of 100 pieces. also read Rupees recorded pounce by 13 paise against US dollar