黄金、白银，再度跳水！美股指期货，全线低开！

Market Overview - Spot silver continues to decline, with a daily drop of 10%, currently at $76.89 per ounce [1] - Spot gold has fallen below $4,700, down 3.33% on the day [1] - U.S. stock futures are lower, with Nasdaq 100 futures down over 1% and S&P 500 futures down 0.6% [2] - International crude oil prices opened lower, with WTI and Brent both down over 2%, at $63 and $67 per barrel respectively [2] Geopolitical Tensions - Recent increases in oil prices are attributed to market concerns over potential U.S. military action against Iran [2] - OPEC+ members have agreed to maintain their current production levels without increases [2] - U.S. President Trump expressed a desire to reach an agreement with Iran, responding to warnings from Iranian leadership about potential conflict [2] Diplomatic Relations - Iranian Foreign Minister Abbas Araghchi stated that Iran has lost trust in the U.S. as a negotiating partner but noted that communication through regional allies is ongoing [3] - Araghchi emphasized the importance of substance over form in negotiations and reiterated Iran's desire for the U.S. to lift long-standing sanctions [3] - He mentioned that reaching a consensus could create significant economic cooperation opportunities between Iran and the U.S. [3] Military Discussions - Israeli Defense Forces Chief of Staff Aviv Kochavi held talks in Washington focusing on potential military actions against Iran and tactical coordination between the U.S. and Israel [4] - There are indications that Israel seeks advance warning from the U.S. before any potential strikes on Iran [5] - The U.S. has been increasing military pressure on Iran, including deploying naval forces in the region [6] Historical Context - The U.S. unilaterally withdrew from the Iran nuclear deal in 2018, leading to renewed sanctions [6] - Multiple rounds of indirect negotiations have taken place since then, with the sixth round canceled due to military conflicts [6]