纳指深夜跳水，英伟达跌超3%，沃尔玛市值突破万亿美元，金银强势反弹

Market Overview - As of February 3, US stock markets showed mixed performance, with the Dow Jones up by 0.05% and the S&P 500 down by 0.56% [1] - The Nasdaq index initially opened higher but later fell over 1% [1] Index Performance - The Dow Jones Industrial Average is at 49,431.43, with a year-to-date increase of 2.85% [2] - The Nasdaq index is at 23,310.90, down 1.19% year-to-date [2] - The S&P 500 is at 6,937.33, with a year-to-date increase of 1.34% [2] - The Nasdaq 100 index is at 25,409.34, down 1.28% year-to-date [2] - The US Technology Giants Index is at 65,331.94, down 1.51% year-to-date [2] - The Nasdaq China Golden Dragon Index is at 7,628.12, down 0.70% year-to-date [2] Technology Sector - Major tech stocks experienced declines, with Nvidia dropping over 3%, resulting in a market cap loss of over $150 billion [2] - Microsoft and Amazon both fell over 2%, while Micron Technology dropped nearly 5% [2][3] Consumer Goods - PepsiCo shares rose nearly 5%, reaching a new high since December 2024, following a Q4 revenue increase of 5.6% to approximately $29.34 billion [3] - The company reported a nearly 60% increase in operating profit to about $3.557 billion [3] Retail Sector - Walmart shares increased by 1.9%, with a cumulative rise of 13% this year, marking its market value surpassing $1 trillion [4] - Walmart has partnered with Alphabet and OpenAI to enhance its shopping experience through AI [4] Precious Metals - On February 3, spot gold surged over 5%, surpassing $4,900, while spot silver rose over 11% to $87.86 [4] - The precious metals sector saw significant gains, with Southern Copper rising over 7% [4] Oil Market - Brent crude oil prices exceeded $67 per barrel, with a daily increase of 1.06%, while WTI crude surpassed $63 per barrel, rising 1.38% [5] Trade Relations - The US Trade Representative announced that India agreed to reduce tariffs on US exports from 13.5% to zero for industrial products [6] Economic Indicators - Recent US economic data indicates inflation concerns, with the Producer Price Index (PPI) rising by 0.5% month-over-month in December, the largest increase in five months [7] - The ISM Purchasing Managers' Index (PMI) for January rebounded to 52.6, the highest level since August 2022 [7]