标普500，又新高！英伟达，盘后跳水！

Market Performance - The three major U.S. stock indices closed higher, with the S&P 500 reaching a new all-time high. The Dow Jones increased by 147.16 points (0.32%) to 45,565.23, the Nasdaq rose by 45.87 points (0.21%) to 21,590.14, and the S&P 500 gained 15.46 points (0.24%) to 6,481.40 [4][2] - Major tech stocks mostly rose, with Intel up over 2%, while Tesla, Netflix, and Meta experienced slight declines [4] Nvidia's Financial Performance - Nvidia's stock fell over 5% in after-hours trading due to disappointing data center revenue, although the company's overall revenue and profit exceeded market expectations. For the second quarter of fiscal year 2026, Nvidia reported revenue of $46.74 billion, a 56% year-over-year increase, and a net profit of $26.42 billion, up 59% year-over-year [6][5] - The data center segment, which is a key growth driver for Nvidia, reported revenue of $41.1 billion for the second quarter, a 56% year-over-year increase, but slightly below the market expectation of $41.34 billion [6][7] - Nvidia's guidance for the third quarter indicates a revenue midpoint of $54 billion, which is above analyst expectations but below some analysts' higher forecasts of $60 billion [7] Geopolitical Developments - Ukrainian President Zelensky announced that a Ukrainian delegation will meet with U.S. representatives in New York on August 29 to discuss military, political, and economic security guarantees for Ukraine [9][10] - Zelensky emphasized the importance of the relationship with the U.S. for Ukraine's long-term security and expressed the need for swift agreements on weapon supplies and joint drone production [10]