新浪财经隔夜要闻大事汇总：2026年2月4日

Market - US stock market closed lower with tech stocks being sold off, resulting in the Nasdaq almost erasing its gains for the year [2][4] - Nvidia's stock fell 2.84% for the third consecutive day, while Microsoft dropped 2.87% for four days in a row; however, Walmart and PepsiCo saw their stock prices rise [3][4] - The Nasdaq Golden Dragon Index, which tracks Chinese stocks, fell 0.94%, with notable movements including a 4.06% increase in Xpeng Motors and a 2.82% decrease in Alibaba [4] Commodities - Oil prices rose slightly after a previous drop of over 4%, with Brent crude and West Texas Intermediate both experiencing gains [5] - Precious metals saw a significant rebound, with gold prices increasing by 5.96% to $4939.38 per ounce, and silver futures rising over 11% [6] Companies - Nvidia's CEO Jensen Huang denied rumors of a stalled investment with OpenAI, stating that the investment plan is proceeding as scheduled and that Nvidia will participate in OpenAI's next funding round [29] - Intel's CEO Pat Gelsinger announced a focus on the GPU market, indicating that the shortage of storage chips is expected to last until 2028 [30] - AMD's outlook disappointed some investors, with projected Q1 sales of approximately $9.8 billion, which, while above analyst expectations, fell short of some forecasts exceeding $10 billion [31] - Novo Nordisk's stock plummeted 11% after announcing a forecasted decline in sales and profits for the year, particularly in the US market [32] - Apple announced the integration of AI capabilities from Anthropic and OpenAI into its flagship programming tool, Xcode, enhancing software development efficiency [33] - Texas Instruments is reportedly in advanced talks to acquire Synaptics for approximately $7 billion, which could impact the semiconductor industry [34] - Waymo secured $16 billion in funding to expand its robotaxi services to over 20 cities globally, maintaining its control under Alphabet [39] - Oracle's $5 billion mandatory convertible preferred stock offering was significantly oversubscribed, indicating strong market interest despite a 2.9% drop in its stock price [40]