the opening of the marketcoinmasterfreespin2021, most of the main domestic futures contracts rose. Soda ash rose by more than 5%, Shanghai nickel rose by more than 3%, and polyvinyl chloride (PVC), glass, coking coal, coke, manganese silicon, and ferrosilicon rose by more than 2%. In terms of decline, the container shipping index (European line) fell more than 1%.