New Delhi, Feb. 14 -- Gold prices today fell amid slackened demand from local jewellers, extending their decline to the fourth straight day. Gold rates today slipped by Rs.50 to Rs.34,000 per 10 grams at the bullion market, Press Trust of India reported. The precious metal had lost Rs.230 in the previous three days. Tracking gold, silver prices fell Rs.150 to Rs.40,650 per kg owing to reduced offtake by industrial units and coin makers....