鼎锋优配炒股股票杠杆交易市场英伟达，突然拉升

Group 1 - Nvidia's stock rose nearly 3% in after-hours trading, reflecting strong investor interest in the semiconductor sector [3] - Major technology stocks showed mixed performance, with Micron Technology up over 4% and AMD rising nearly 2%, while Intel and Google-A experienced declines of over 2% [2][6] - The S&P 500 index saw ten sectors decline, with the communication services and materials sectors leading the losses at 1.77% and 1.66% respectively, while the technology sector increased by 0.93% [2] Group 2 - Tesla's stock fell 3.39% after a downgrade from Morgan Stanley, with the new analyst setting a target price of $425, indicating a potential decline of 6.5% from the previous closing price [7] - The Nasdaq China Golden Dragon Index rose by 0.08%, with mixed performance among popular Chinese concept stocks, including significant gains for Huya and Gaotu, while Dingdong Maicai and NetEase saw declines [8]