美股存储板块，集体重挫

Group 1: Market Overview - The U.S. stock market faced pressure due to conflicting signals from President Trump regarding Iran, with oil prices rising significantly, as WTI crude oil futures surpassed $100 per barrel for the first time since July 2022 [1] - The Dow Jones Industrial Average closed up 49.50 points, or 0.11%, at 45,216.14; the Nasdaq fell 153.72 points, or 0.73%, to 20,794.64; and the S&P 500 dropped 25.12 points, or 0.39%, to 6,343.73 [3] Group 2: Sector Performance - Among the 11 sectors of the S&P 500, the industrial sector fell by 1.61%, technology by 1.49%, and energy by 0.87%, while the financial sector rose by 1.1% [4] - In sector-specific ETFs, the semiconductor ETF declined by 3.13%, global airline ETF by 2.03%, and technology ETFs by up to 1.86%, while the banking and financial ETFs saw slight increases of 0.36% and 1.15%, respectively [4] Group 3: Notable Stock Movements - Major tech stocks mostly declined, with Meta up 2.03%, Amazon up 0.81%, and Microsoft up 0.61%, while Tesla fell by 1.81% and Nvidia by 1.4% [5] - U.S. aluminum companies saw significant gains, with Alcoa up over 8% and Century Aluminum up over 7%, following attacks on a major aluminum production facility in the UAE [6] - Fannie Mae surged by 51% and Freddie Mac by 47%, as investor Bill Ackman highlighted their undervaluation [7] - Sysco, the largest food distributor in the U.S., dropped 15% after announcing a $29 billion acquisition of Restaurant Depot [8]