国内期货主力合约多数上涨，沪锡涨8%

Core Viewpoint - The majority of domestic futures contracts have increased, with notable gains in various commodities such as tin and silver, indicating a bullish trend in the market [1] Group 1: Price Increases - Tin (沪锡) rose by 8% [1] - Silver (沪银) increased by over 7% [1] - Fuel oil and platinum both saw gains exceeding 5% [1] - Palladium and low-sulfur fuel oil (LU) rose by more than 3% [1] - Pure benzene (纯苯) increased by nearly 3% [1] Group 2: Price Decreases - The shipping index for Europe (集运欧线) fell by nearly 3% [1] - Polysilicon (多晶硅) and glass both dropped by over 2% [1] - Caustic soda (烧碱) decreased by more than 1% [1]