美股收盘：纳指刷历史新高，英伟达盘中市值破4万亿

Core Viewpoint - The US stock market experienced a collective rise, driven by strong performances from technology giants, with the Nasdaq reaching a new historical high [1][2]. Group 1: Market Performance - The Dow Jones index rose by 0.49% to 44,458.30 points, the S&P 500 increased by 0.61% to 6,263.26 points, and the Nasdaq composite climbed by 0.94% to 20,611.34 points, surpassing its previous record by 10 points [1][2]. - The "Fear and Greed Index" is slightly above 75, indicating an "extreme greed" sentiment among traders, who are overlooking trade anxieties [7]. Group 2: Technology Sector Highlights - Major technology stocks saw significant gains, with Nvidia rising by 1.8% to a market cap of $3.972 trillion, briefly surpassing $4 trillion [2][8]. - Other tech giants such as Microsoft, Amazon, Alphabet, and Meta also experienced increases of over 1%, reflecting renewed investor interest in artificial intelligence themes [3]. Group 3: Trade and Tariff Developments - President Trump announced new tariffs on products from several countries, including a 25% tariff on products from Brunei and Moldova, and a 30% tariff on products from Algeria, Iraq, and Libya, effective August 1 [5]. - Market analysts believe that the market is ignoring these tariff threats, suggesting a belief in the potential for trade negotiations [5]. Group 4: Chinese Stocks Performance - The Nasdaq Golden Dragon China Index fell by 1.11%, ending a five-day winning streak, with mixed performances among popular Chinese stocks [9]. - Notable gains were seen in stocks like Futu Holdings (+9.09%) and Legend Biotech (+5.24%), while Alibaba (-3.85%) and JD.com (-3.36%) faced declines [9].