Gold tumbled by the most in almost a month as a poll showed a tilt in favor of Britain remaining in the European Union just days before a historic vote, hurting demand for haven investments. Bullion for immediate delivery lost as much as 1.4% to $1,280.47 an ounce, the biggest intraday drop since May 24, and traded at $1,283.85 in Singapore, according to Bloomberg generic pricing. Spot silver also sagged, declining as much as 1.2%. In China, bullion of 99.99% purity slid 0.2% to 272.1 yuan a gram ($1,286.48 an ounce) on the Shanghai Gold Exchange. Silver traded 0.8% lower at $17.35 an ounce as platinum retreated 0.1% and palladium advanced 0.7%.
