开盘|国内期货主力合约多数上涨，沪银涨近13%

Group 1 - The core point of the article highlights that the domestic futures market saw a majority of contracts rise on the first trading day after the Spring Festival holiday, with notable increases in silver and low-sulfur fuel oil [3][7]. - Silver futures (沪银) increased by nearly 13%, indicating strong demand and market confidence [3][7]. - Low-sulfur fuel oil (LU) and SC crude oil both rose by nearly 5%, reflecting positive trends in energy commodities [3][7]. Group 2 - Aluminum oxide (氧化铝) futures rose over 3%, suggesting a potential recovery in the aluminum sector [3][7]. - Other commodities such as fuel oil and asphalt also saw increases of over 2%, indicating a broad-based rally in the market [3][7]. - On the downside, caustic soda (烧碱) fell by over 2%, while tin (沪锡), iron ore, and coke all experienced declines of over 1%, pointing to some weakness in these sectors [3][7].