102065012-gold.530x298GOLD and silver prices have sunk to four-and-a-half-year lows, weighed down by a soaring US dollar and expectations of more stimulus from the world’s largest economies. GOLD for December delivery, the most actively traded contract, on Wednesday closed down 1.9 per cent to $US 1145.70 a troy ounce, its lowest level since April 22, 2010. December silver fell 3.2 per cent to $US 15.439 a troy ounce, after earlier touching $US 15.120, its lowest level since February 10, 2010. More