商品日报（12月4日）：沪铜创下历史新高 三大橡胶集体下跌

Group 1: Commodity Market Overview - The domestic commodity futures market showed mixed results on December 4, with the main contract for the European shipping line rising over 3% [1] - The international copper and Shanghai copper contracts increased by over 2%, while other commodities like pulp, coke, silicon iron, corn, starch, coking coal, and asphalt saw gains exceeding 1% [1] - The China Securities Commodity Futures Price Index closed at 1508.55 points, down 0.01% from the previous trading day, while the China Securities Commodity Futures Index closed at 2085.73 points, also down 0.01% [1] Group 2: European Shipping Line and Copper Market - The main contract for the European shipping line rebounded in the afternoon, closing with a strong gain of 3.32%, leading the commodity market [2] - Maersk's new shipping quotes for large containers increased slightly, indicating improved market sentiment and expectations for potential price increases in January due to traditional pre-Spring Festival demand [2] - The international copper market saw significant strength, with the main contract rising nearly 3% and Shanghai copper and tin contracts recording increases of 2.26% and 2.23%, respectively, reaching historical highs [3] Group 3: Rubber and Caustic Soda Market - All three major rubber contracts experienced declines, with BR rubber, natural rubber, and No. 20 rubber contracts falling by 1.97%, 1.25%, and 1.03%, respectively [4] - The increase in natural rubber inventory and seasonal production in major overseas producing areas contributed to the weak performance of rubber [4] - The main caustic soda contract fell by 1.92%, hitting a new historical low due to increased supply and accumulating inventory, with significant increases in liquid caustic soda stock reported [5]