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美股三大指数齐创纪录,中国金龙指数涨超1%,英伟达新高领芯片股走强

Market Performance - The U.S. stock market indices have risen for five consecutive days, with all three major indices reaching record closing levels. The Dow Jones increased by 0.17% to 46,519.72 points, the S&P 500 rose by 0.06% to 6,715.35 points, and the Nasdaq Composite climbed by 0.39% to 22,844.05 points [1][2]. Government Shutdown Impact - The U.S. federal government has entered a shutdown due to the Senate's rejection of a temporary funding bill, affecting approximately 750,000 federal employees who are forced to take unpaid leave. Public services, including national parks and the aviation system, are also impacted [2][13]. - Market concerns about the shutdown's direct economic impact initially pressured stocks, but investors believe the funding interruption will be short-lived and not severely detrimental to the economy [2]. Technology Sector Developments - OpenAI has completed a transaction allowing employees to sell company shares at a valuation of $500 billion, surpassing Elon Musk's SpaceX and making OpenAI the most valuable startup globally. This news has boosted optimism in the artificial intelligence sector, leading to a rise in semiconductor stocks and a new high for the Philadelphia Semiconductor Index [3][4]. - Nvidia's stock rose by 0.88% to $188.89, achieving a market capitalization of $4.598 trillion. The Philadelphia Semiconductor Index increased by 1.94% [4][7]. Major Tech Stocks Performance - Most large-cap tech stocks saw gains, with notable movements including Microsoft down 0.76%, Apple up 0.66%, and Amazon up 0.81%. Tesla, however, fell by 5.11% [6][7]. Cryptocurrency and Related Stocks - Cryptocurrency-related stocks performed well, with Circle rising by 16.04%, Bullish by 11.68%, and Coinbase by 7.48% [8]. Chinese Stocks Performance - The Nasdaq Golden Dragon China Index increased by 1.06%, with several popular Chinese stocks rising, including Alibaba up 3.59% and NIO up 3.14% [8]. Company News - Tesla reported a record third-quarter delivery of 497,099 vehicles, a 7.4% year-over-year increase, exceeding market expectations. However, there are concerns about declining demand in October due to the expiration of tax credits [9]. - Amazon launched a new private label, "Amazon Grocery," aimed at competing with Walmart and Costco, offering over 1,000 grocery items priced under $5 [10]. - Boeing's 777X aircraft delivery has been delayed until 2027, potentially resulting in non-cash accounting charges estimated between $2.5 billion and $4 billion [11].