国内商品期市午盘涨跌不一，沪锡、沪银涨超3%

Group 1 - The core viewpoint of the article highlights significant price movements in various commodities, with notable increases in tin, silver, caustic soda, and soybeans, while certain shipping and chemical products experienced declines [1] Group 2 - Tin and silver prices rose by over 3%, indicating strong demand or market conditions favoring these metals [1] - Caustic soda and soybeans saw price increases exceeding 2%, suggesting potential growth in related industries or agricultural sectors [1] - SC crude oil, fuel oil, and low-sulfur fuel oil experienced price rises of over 1%, reflecting ongoing trends in the energy market [1] - On the downside, the European shipping index fell by over 3%, indicating potential challenges in the shipping industry [1] - Styrene (EB) prices dropped by over 2%, which may signal a decrease in demand or oversupply in the market [1] - Other commodities such as polysilicon, coking coal, polyvinyl chloride (PVC), coke, and industrial silicon all saw declines exceeding 1%, pointing to broader market pressures [1]