India, Jan. 30 -- Gold prices tumbled by Rs.14,000 per 10 grams and silver prices tanked by as much as Rs.20,000 per kilogram in the national capital on Friday as investors booked heavy profits amid weak global trends and a rebound in the US dollar.

According to a report by news agency PTI, gold of 99.9 per cent purity plunged by Rs.14,000, or 7.65 per cent, to Rs.1,69,000 per 10 grams (inclusive of all taxes). The precious metal had hit an all-time high of Rs.1,83,000 per 10 grams on Thursday, after rising by Rs.12,000.

On the other hand, silver tumbled by Rs.20,000, or nearly 5 per cent, to Rs.3,84,500 per kilogram (inclusive of all taxes). The white metal had soared Rs.19,500 to hit a record of Rs.4,04,500 per kg in the previous mark...