沪银、钯、铂等十几个期货品种，集体跌停！什么情况？

Group 1 - The domestic futures market experienced a widespread decline on February 2, with over 10 futures contracts hitting or approaching the daily limit down, including gold, silver, platinum, palladium, copper, aluminum, nickel, crude oil, and lithium carbonate [1][2] - Precious metals saw significant drops, with silver futures down 17%, platinum and palladium down 16%, and gold futures also hitting the limit down with a 16% decline [1][2] - Industrial metals faced similar declines, with tin futures hitting the limit down at 11%, while copper and aluminum futures dropped by 9%, and lithium carbonate futures fell by 14% [2][3] Group 2 - In the energy sector, crude oil futures hit the limit down with a 7% decline, while other energy products like fuel oil and low-sulfur fuel oil also saw declines exceeding 5% [3][4] - The A-share market showed a downward trend, with all three major indices falling over 2%, and a total trading volume of 2.58 trillion yuan, down 250.8 billion yuan from the previous trading day [5][6] - The non-ferrous metals sector was notably impacted, with multiple stocks such as Sichuan Gold and Chifeng Jilong Gold hitting the limit down, reflecting the broader market's struggles [5]