随着中国初创公司 DeepSeek 推出具有成本效益的 AI 竞争对手，全球科技股暴跌。 Global tech stocks plummet as Chinese startup DeepSeek unveils cost-effective AI rival.

中国 AI 初创公司 DeepSeek 发布了一个免费的开源 AI 模型 DeepSeek-R1，导致全球科技股暴跌。 Chinese AI startup DeepSeek released a free, open-source AI model, DeepSeek-R1, causing global tech stocks to plummet. 纳斯达克指数下跌 3.1%，而标准普尔 500 指数下跌 1.85%。 Nasdaq dropped 3.1%, while the S&P 500 slid 1.85%. 英伟达、Microsoft 和 Meta 等主要科技公司的份额大幅下跌，英伟达股价下跌 11%。 Major tech companies like Nvidia, Microsoft, and Meta saw significant share losses, with Nvidia's shares falling 11%. 该版本引发了人们对更便宜的人工智能替代品和美国科技巨头的大量投资的担忧，导致对其市场估值的重新评估。 The release raised concerns about cheaper AI alternatives and the heavy investments made by US tech giants, leading to a reassessment of their market valuations.