美股集体调整，降息节点前观望情绪较强

Group 1 - The three major U.S. stock indices closed lower, with the Dow Jones down 0.45%, the Nasdaq down 0.14%, and the S&P 500 down 0.35% due to cautious sentiment ahead of the Federal Reserve's interest rate meeting [1] - Tesla's stock fell over 3% following a downgrade in ratings, while Marvell Technology dropped nearly 7% after losing an AI chip order from Amazon [1] - The semiconductor industry showed strong performance, with the Philadelphia Semiconductor Index rising 1.1%, Micron Technology up over 4%, and other companies like AEM, ON Semiconductor, Broadcom, and TSMC increasing by more than 2% [1] Group 2 - The Nasdaq Golden Dragon China Index saw a slight increase of 0.08%, with Baidu and Miniso rising over 3%, while XPeng Motors, New Oriental, and JinkoSolar gained over 2%, and NetEase fell over 2% [1] - International gold prices faced pressure, with spot gold dropping below $4200 per ounce [1] - Market focus is on the Federal Reserve's December interest rate decision, with the probability of a rate cut rising to 87.3%. A dovish signal could alleviate liquidity concerns and impact technology stock valuations and policy paths [1]