【美股盘前】三大期指齐跌；以色列突袭伊朗，国防军工股走高，原油、黄金大涨；沃尔玛、亚马逊据悉正探索发行稳定币；印度考虑停飞787，波音跌超1%

Group 1 - Major stock index futures declined, with Dow futures down 1.20%, S&P 500 futures down 1.18%, and Nasdaq futures down 1.45% [1] - Popular Chinese stocks fell in pre-market trading, including Alibaba down 2.55%, Pinduoduo down 1.90%, JD.com down 1.15%, Ctrip down 1.69%, Li Auto down 2.74%, and Baidu down 1.78% [1] - Defense and aerospace stocks rose in pre-market trading, with Lockheed Martin up over 4.5%, Raytheon Technologies up over 4.9%, and General Dynamics up over 3% [1] Group 2 - AMD announced that its new AI chip has surpassed competitors, with the AI chip market expected to exceed $500 billion in the next three years [1] - Tesla upgraded its Model S and Model X series in the U.S. market, introducing a new "Frosted Blue Metallic" paint option [2] - Novo Nordisk plans to advance its weight management drug "Amycretin" into Phase III clinical trials next year, with the stock up 1.4% [2] - Boeing shares fell over 1% as the Indian government considers grounding the Boeing 787 [2] - Walmart and Amazon are reportedly exploring the issuance of their own stablecoins to simplify payments, reduce credit card fees, and expedite settlements, particularly in cross-border trade [2]