美股三大股指全线跳水，芯片股大涨，阿里跌超4%，贵金属集体下挫，伦锡暴跌8%

Market Overview - US stock indices showed mixed performance, with the Dow Jones down 60.36 points (-0.12%), Nasdaq down 4.28 points (-0.02%), and S&P 500 down 3.39 points (-0.05%) [1] - The aerospace and defense sectors led gains in the US market, with semiconductor stocks experiencing significant increases, particularly Micron Technology, which rose over 8% following insider buying [1] Semiconductor Sector - Micron Technology's board member purchased 23,200 shares for approximately $7.8 million, contributing to the stock's surge [1] - Morgan Stanley predicts that ASML could see a further 70% increase as chip manufacturers ramp up spending to meet soaring AI demand [1] Chinese Stocks - The Chinese concept stock index fell over 1.42%, with notable declines in companies such as Su Xuan Tang Pharmaceutical (-14%) and Zhihu, Century Internet, and others dropping over 5% [2] Energy and Commodities - US electric company stocks declined, with Talen Energy down 8%, Vistra Energy down 6.9%, and Constellation Energy down 6.3% [3] - Precious metals experienced a collective drop, with spot gold falling to $4,590 per ounce (-0.58%) and silver dropping to $89 per ounce (-3.28%) [3] - Copper prices fell over 2% due to Nvidia's significant downward revision of copper demand projections [3] Cryptocurrency Market - Major cryptocurrencies saw collective declines, with Bitcoin dropping below $96,000 and Ethereum falling below $3,300, leading to nearly 110,000 liquidations in the past 24 hours [4] Storage Chip Market - Citigroup analysts predict that storage chip prices will experience "out-of-control" increases by 2026, with DRAM average price increase expectations raised from 53% to 88% and NAND from 44% to 74% [5] - The AI investment trend is expected to continue throughout the year, with potential winners and losers as part of the creative destruction associated with new technologies [5]