国内期货29日收盘多数下跌，铂主连下跌10.0%

Group 1 - The domestic futures market closed mostly lower on December 29, with platinum futures dropping by 10.0%, while palladium, lithium carbonate, polysilicon, and wire rod futures fell over 3.5% [1] - Iron ore futures increased by 2.58%, and both rubber paper and corn futures rose by more than 1.5% [1] Group 2 - The leading futures contracts that gained included iron ore with a rise of 2.58% to a price of 796.53 yuan and a transaction volume of 6.62 billion yuan, rubber paper up by 1.87% to 4150.09 yuan with a transaction volume of 9.01 billion yuan, and corn up by 1.86% to 2249.01 yuan with a transaction volume of 6.43 billion yuan [2] - The leading futures contracts that declined included platinum down by 10.06% to 334.35 yuan with a transaction volume of 854.36 million yuan, palladium down by 10.04% to 494.13 yuan with a transaction volume of 47.86 million yuan, and lithium carbonate down by 7.89% to 1188.20 yuan with a transaction volume of 70.20 million yuan [2]