Group 1: AI and Technology Stocks - Amazon's stock rose 4% following a $38 billion partnership with OpenAI, indicating a significant move into generative AI and involving hundreds of thousands of Nvidia GPUs [1][7][22] - Chip stocks experienced gains, with Micron Technology increasing nearly 5%, Nvidia rising about 2%, and the VanEck Semiconductor ETF climbing approximately 1% [1][7][22] - Iren's shares surged 11% after signing a $9.7 billion multiyear data center deal with Microsoft, which also secured export licenses to ship advanced AI chips to the UAE as part of a $15.2 billion investment plan by 2029 [1][8][22] Group 2: Market Performance and Earnings - The third-quarter earnings season showed strength, with over 80% of more than 300 S&P 500 companies beating estimates, and Bank of America projecting a 12% year-over-year earnings growth [4][10][11] - The Nasdaq gained 4.7% in October, while the S&P 500 and Dow increased by 2.3% and 2.5%, respectively, driven by AI trades and solid corporate results [4][22] - Analysts noted that the market is rewarding key AI players like Amazon, Microsoft, Google, Nvidia, and Palantir, which dominate the AI infrastructure and demand curve [2][9][10] Group 3: Rare Earth Mining Sector - Rare earth mining stocks declined after the White House confirmed that China would lift export restrictions on critical minerals as part of a trade truce, with MP Materials dropping 7% and USA Rare Earth falling 14% [5][12][13][22] - The lifting of export curbs is expected to impact the market dynamics for rare earth materials significantly [12][13] Group 4: Other Notable Company Developments - Deutsche Bank raised its price target for Tesla to $470, citing optimism around its robotaxi rollout, with Tesla shares up 16% year-to-date [14][22] - Wells Fargo increased its target for JPMorgan Chase to $350 per share, highlighting its $18 billion technology spend and AI adoption as growth drivers, with the bank's stock up 29% this year [14][22] - Oppenheimer upgraded Costco to a top pick, forecasting a 15% upside from current levels through 2026 [14][22]