On Monday, August 11, gold prices on the Comex exchange decreased by 2.2% to $3,414.6 per troy ounce according to December futures. This drop followed the historical high of $3,534.1, recorded on August 8.The reason for the drawdown was concerns that the United States would impose duties on gold bars from Switzerland weighing 1 kg and 100 ounces (2.8 kg), which, according to the Customs and Border Protection Service, fall under the relevant customs code. Later, the media reported that the admini... En savoir plus.