国内期货午盘涨跌不一，碳酸锂涨超5%

Group 1 - Domestic futures market showed mixed performance with lithium carbonate rising over 5% [1] - Platinum, styrene, and Shanghai gold increased by more than 3% [1] - BR rubber rose by over 2% [1] Group 2 - On the downside, coking coal and polysilicon fell by more than 2% [1] - Glass, polyvinyl chloride (PVC), and Shanghai silver dropped by over 1% [1]