现货黄金一度跌破4900美元，金矿股走低，哈莫尼黄金跌4.2%；马斯克：Cybercab将于4月开始生产，不配备踏板和方向盘【美股盘前】

Group 1 - Major stock indices are experiencing declines, with Dow futures down 0.10%, S&P 500 futures down 0.27%, and Nasdaq futures down 0.59% [1] - Gold mining stocks are trading lower, with Harmony Gold down 4.2%, Newmont down 3%, Sibanye Stillwater down 5.8%, and Barrick Gold down 2.4% due to softening gold prices [1] - AI application stocks are also declining, with SAP SE down nearly 3%, AppLovin down over 2%, and Palantir and Snowflake down over 1% [2] Group 2 - Chinese concept stocks are showing gains in pre-market trading, with Alibaba up 0.80%, Pinduoduo up 0.53%, NetEase up 0.19%, Baidu up 1.45%, and JD.com up 0.29% [2] - Spot gold prices fell below $4900, trading down 1.40% at $4922.2 per ounce, while spot silver dropped over 4%, down 2.32% at $74.6 per ounce [2] - SpaceX and its subsidiary xAI are reportedly participating in a highly classified Pentagon bid to develop voice-controlled autonomous drone swarm technology, being one of the few selected companies in a $100 million challenge initiated by the Department of Defense [2] Group 3 - Elon Musk announced that the Cybercab, which will not be equipped with pedals or a steering wheel, is set to begin production in April [3] - Apple has announced a significant upgrade for Apple Podcasts, introducing video podcast functionality to enhance its presence in the video podcasting space [3] - Danaher is nearing a deal to acquire medical technology company Masimo for approximately $10 billion [3]