美股科技股下挫，英伟达跌超3%，加密货币超14万人爆仓，美元跳水

Group 1 - The core point of the article highlights the decline in U.S. tech stocks, with significant drops in companies like Nvidia and CoreWeave, alongside a notable sell-off by SoftBank of its Nvidia shares valued at $5.83 billion [1][2] - The Philadelphia Semiconductor Index fell over 2%, with Micron Technology, ARM, and Lam Research each dropping more than 4%, while Nvidia saw a decline of over 3% [1] - CoreWeave reported a Q3 operating profit margin that fell below expectations, leading to a drop of over 12% in its stock [1] Group 2 - The U.S. dollar index experienced a sudden drop of approximately 0.3%, while gold and oil prices surged, with spot gold nearing $4,150 per ounce [2] - The cryptocurrency market faced a collective downturn, with Bitcoin falling to $103,881 and Ethereum dropping below $3,500, resulting in over 140,000 liquidations totaling approximately $417 million [2]