KARACHI (APP) - Gold price surged by Rs 257 to close at Rs 49,457 per 10 grams in the local market on Wednesday, as its international price improved to $ 1,776 an ounce, market sources said. According to Karachi Sarafa Association official, tola (11.664 grams) price also increased by Rs 300 to Rs 57,700. Silver closed higher at Rs 942.85 per 10 grams.