市场突变，全线回调

Market Overview - Financial markets are experiencing a significant downturn, with the Asia-Pacific markets showing a notable correction [1] - The Nikkei 225 index closed down by 1.63% [1] A-shares and Hong Kong Market - A-shares and Hong Kong stocks are also facing a clear pullback, with the ChiNext index down over 1% and the Hang Seng Index and Hang Seng Tech Index down by 1.8% and 1.97% respectively [3] US Futures Market - US stock index futures are collectively declining, indicating a negative sentiment in the market [4] Metal Market Performance - The metal market is experiencing widespread declines, with international spot silver dropping over 3% and domestic silver futures down over 6% [6] - International spot gold fell by 0.69%, while domestic gold futures dropped nearly 1% [6] Specific Metal Prices - London gold is priced at 4425.480, down by 0.69%, and London silver at 75.795, down by 3.30% [7] - COMEX gold is at 4428.0, down by 0.77%, and COMEX silver at 75.580, down by 2.62% [7] - In the domestic futures market, polysilicon main contracts hit the limit down, while nickel main contracts fell over 7% and industrial silicon dropped over 4% [6][8] Additional Metal Futures - The main contracts for aluminum and copper on the Shanghai Futures Exchange both fell by 3.52% [8] - The main contract for tin decreased by 2.81% [8]