Market Performance - On September 18, all three major U.S. stock indices closed higher, with the Dow Jones up 0.27% at 46,142.42 points, the S&P 500 up 0.48% at 6,631.96 points, and the Nasdaq up 0.94% at 22,470.73 points, marking new closing highs for all indices [1] Technology Sector - The major technology stocks showed mixed results, with the Wande American Technology Seven Giants Index rising by 0.61%. Notable individual stock movements included Nvidia rising over 3%, Google up 1%, and Facebook up 0.58%, while Tesla fell over 2%, Apple down 0.46%, Microsoft down 0.31%, and Amazon down 0.17% [3] - Chip stocks generally saw gains, with Intel surging over 22%, the Philadelphia Semiconductor Index rising by 3.6% to set a new historical high, and Applied Materials up over 6%. Other notable movements included ASML and KLA Corporation both rising over 6%, Micron Technology up over 5%, while ARM fell over 4% [3] Strategic Partnerships - On September 18, U.S. President Trump and UK Prime Minister Starmer signed a U.S.-UK technology cooperation agreement, which is expected to strengthen ties and potentially create over 5,000 jobs in the UK through investments from U.S. tech companies [3] - Intel's stock surged by 22.77% following Nvidia's announcement of a $5 billion investment to purchase Intel common stock at $23.28 per share. The collaboration will focus on developing AI systems for data centers and integrating Nvidia's graphics processing technology into Intel's next-generation computer chips [3] Economic Data - The U.S. initial jobless claims recorded their largest decrease in nearly four years, with 231,000 claims last week, below the expected 240,000 and revised from a previous value of 263,000 [4] - The probability of the Federal Reserve maintaining interest rates in October is 8.1%, while the probability of a 25 basis point rate cut is 91.9%. For December, the probability of maintaining rates is 0.7%, with cumulative probabilities for rate cuts of 25 basis points at 15.4% and 50 basis points at 83.9% [4] Chinese Stocks - Most Chinese concept stocks declined, with the Nasdaq Golden Dragon China Index down 1.79% and the Wande Chinese Technology Leaders Index down 2.06%. Notable declines included Zeekr down over 5%, JinkoSolar down nearly 5%, and Daqo New Energy down over 4% [4]