The S&P 500 index opened up 40.34 points, an increase of 0.68%, at 5982.81 points; The Dow Jones Industrial Average opened up 103.39 points, an increase of 0.24%, at 42835.52 points; The Nasdaq Composite opened up 230.31 points, an increase of 1.17%, at 19851.99 points. Micron Tech rose 6.4%, Taiwan Semiconductor ADR rose 5.1%, Tesla rose 2.7%, Nvidia rose 2.7%, C3.ai rose 2.2%, and Apple rose 0.5%. Chinese concept stocks XPeng rose about 2.9%, Nio rose about 2.1%, while Li Auto fell over 1%, Kingsoft Cloud fell 1.6%, and the Chinese concept ETF YINN rose 2%. Apple has postponed its plan to use Taiwan Semiconductor's 2-nanometer chips, which may be delayed until 2026 for the iPhone 18 series. The yield rate of Taiwan Semiconductor's 2-nanometer process is currently only 60%, leading to high costs. Truist analysts lowered Tesla's target price from $360 to $351, maintaining a "hold" rating. Tesla's fourth-quarter delivery and production data fell below market expectations and the company's own forecasts