大宗商品综述：油价续跌 伦铜重挫 白银和铂金大幅走低

Oil Market - Oil prices are declining due to the U.S. seizing two sanctioned oil tankers and indicating the sale of Venezuelan oil, leading to expectations of increased Venezuelan crude sales [2][10] - WTI crude oil fell by 2%, settling at just below $56 per barrel, with market expectations that increased Venezuelan oil sales will exert downward pressure on an already oversupplied market [2][10] - President Trump announced that Venezuela will transfer up to 50 million barrels of oil to the U.S., with the proceeds benefiting both countries [2][10] - The U.S. Department of Energy is selectively easing sanctions on Venezuela, although specific details were not provided [2][10] - Analysts suggest that if prices continue to fall and breach the critical $55 psychological level, futures could accelerate down to $50 [11] Base Metals - Copper prices have retreated from record highs, along with other industrial metals, as traders took profits after rapid price increases [4][14] - At the London Metal Exchange, copper, nickel, and zinc futures all fell over 2%, reducing the sharp gains seen in recent weeks [5][15] - Despite a generally bullish long-term outlook for copper and other metals, the rapid price increase has raised concerns about a potential sharp market decline as traders lock in profits [5][15] - LME copper closed down 2.56% at $12,899.5 per ton, LME aluminum down 1.29% at $3,088.5 per ton, LME nickel down 3.4% at $17,895.0 per ton, and LME zinc down 2.57% at $3,167.5 per ton [16] Precious Metals - Silver and platinum have seen significant declines, continuing a trend of extreme volatility, as traders weigh the impacts of index rebalancing, supply constraints, and potential U.S. tariffs [6][14] - Platinum prices dropped as much as 7.7%, while silver fell by up to 6%, although both metals have recorded gains for the month so far [6][14] - The annual commodity index rebalancing is pressuring prices as passive tracking funds need to sell previously high-performing metals to match new weights [6][14] - Gold and palladium also fell alongside other precious metals, with analysts predicting large-scale sell-offs due to significant rebalancing fund flows [6][14] - As of the latest data, silver was down 3.78% at $78.202 per ounce, and gold was down 0.92% at $4,453.31 per ounce [17][18]