黄金，突然大跌！

Group 1 - Recent gold futures contracts on the New York Mercantile Exchange fell nearly 2.5%, dropping below $3,400 per ounce, marking the largest decline since May [1] - President Trump announced that gold would not be subject to tariffs, alleviating market concerns regarding potential tariffs on imported gold bars [3] - The U.S. has imposed a 39% tariff on products imported from Switzerland, which plays a significant role in the international gold futures market due to its substantial gold reserves [4] Group 2 - The demand for gold as a safe-haven asset has weakened due to the potential ceasefire in the Russia-Ukraine conflict, with investors closely monitoring upcoming U.S. inflation reports [4] - Recent developments in the trade war, including new tariffs on multiple trade partners, have been a significant factor driving gold prices up this year [5] - Traders are increasingly betting on a 25 basis point rate cut by the Federal Reserve in September, with a probability of 89.4% according to the FedWatch tool [4]