内外盘商品期货走低，贵金属领跌

Group 1 - The main contracts for lithium carbonate and polysilicon on the domestic market fell by over 6% [1] - Platinum contracts saw a significant drop, with a decline of up to 9% at one point, while palladium contracts fell by 7% [1] - Shanghai silver and gold also experienced declines of over 2% [1] Group 2 - LME copper prices decreased by more than 1.5%, following a delayed opening of the exchange [1] - Both WTI and Brent crude oil prices dropped by approximately 1% [1]