国内期货21日收盘多数上涨，碳酸锂主连上涨7.26%

Group 1 - The domestic futures market closed mostly higher on January 21, with lithium carbonate futures leading the gains, rising by 7.26% [1] - Other notable gainers included tin futures up 5.79%, gold futures up 3.69%, and butadiene rubber futures up 3.43% [2] - The trading volume for lithium carbonate futures reached 1.958 billion yuan, while tin futures had a trading volume of 1.3374 billion yuan [2] Group 2 - The leading decliners included glass futures, which fell by 2.35%, followed by caustic soda futures down 2.02% and coking coal futures down 1.83% [1] - The trading volume for glass futures was 949.3 million yuan, while caustic soda futures had a trading volume of 471.1 million yuan [2] - Other declining commodities included polysilicon futures down 1.59% and white sugar futures down 1.38% [2]