RTTNews·2025-10-02 20:14Market Performance - Major averages closed higher for the fifth consecutive session, reaching new record closing highs, with the Nasdaq up 88.89 points (0.4%) to 22,844.05, the Dow up 78.62 points (0.2%) to 46,519.72, and the S&P 500 up 4.15 points (0.1%) to 6,715.35 [1] - Semiconductor stocks performed strongly, with the Philadelphia Semiconductor Index rising 1.9% to a record closing high, driven by optimism in the AI sector [5] AI Sector Developments - Nvidia (NVDA) advanced by 0.9% to a record closing high, while Advanced Micro Devices (AMD) surged by 3.5%, reflecting strength in AI stocks following OpenAI's reported $500 billion valuation [2] - The sale of approximately $6.6 billion worth of stock by current and former employees of OpenAI has positioned the company as the world's most valuable privately-owned company, surpassing SpaceX [3] Sector Performance - Airline stocks showed notable strength, with the NYSE Arca Airline Index gaining 1.2% after bouncing off its lowest closing level in nearly two months [6] - Energy stocks declined, with the Philadelphia Oil Service Index down 2.5% and the NYSE Arca Oil Index down 1.2%, influenced by falling crude oil prices [6] - Pharmaceutical stocks experienced a 1.0% loss after a two-day surge, as indicated by the NYSE Arca Pharmaceutical Index [7] International Markets - In the Asia-Pacific region, stocks mostly moved higher, with Japan's Nikkei 225 Index up 0.9% and Hong Kong's Hang Seng Index up 1.6% [8] - European markets also saw gains, with the German DAX Index and French CAC 40 Index rising by 1.3% and 1.1%, respectively, while the U.K.'s FTSE 100 Index dipped by 0.2% [8] Bond Market - Treasuries moved modestly higher, with the yield on the benchmark ten-year note dipping 1.8 basis points to 4.088% [9]