深夜美股突变，中概股，上扬

Market Overview - US stock market opened slightly higher on December 4 but turned negative, with the Dow Jones Industrial Average down 73.75 points (-0.15%), Nasdaq down 40.28 points (-0.17%), and S&P 500 down 5.10 points (-0.07%) [1] Company-Specific Developments - Meta Platforms' CEO Mark Zuckerberg announced a significant reduction in resources allocated to the "metaverse" project, which was previously seen as a key future direction for the company [1] - Meta Platforms' stock rose over 4% following the announcement [2] - Nvidia's stock increased nearly 2% as the company, along with Palantir and CenterPoint Energy, announced the development of a new software platform named "Chain Reaction" aimed at accelerating the construction of next-generation AI data centers [2] - Snowflake's stock fell over 9% after the company projected a slowdown in product revenue growth for Q4, attributing this to discounts offered for large long-term contracts [3] - Apple’s stock declined nearly 1% due to reports indicating stagnation in growth for its core revenue source, the App Store [3] - Chinese concept stocks saw a rise, with Tiger Brokers increasing over 3% after reporting Q3 revenue of $175 million, a 73.3% year-over-year increase [3] - NIO and Xpeng Motors stocks rose over 3% following the announcement of a joint development project with Huawei for the X9 super range extender [5] - Bilibili's stock increased nearly 3% as it prepares to launch 13 new games in December, including a long-awaited anime product [5] - Hesai Technology's stock rose over 2% after releasing a new high-performance smart control chip and safety technology for its lidar systems [5]