2025年，美国标普500指数累计上涨17.25%，纳斯达克指数累计上涨21.27%，道琼斯工业平均指数上涨13.69%。由小盘股构成的罗素2000指数2025年累积涨幅为12.13%，连续第五年跑输标普500指数。美股七大权重科技股（苹果、微软、谷歌、亚马逊、英伟达、特斯拉、Meta）2025年上涨25.81%。权重科技股和人工智能题材股在2025年是推动美国股市继续走高的主要力量。
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Implementing a clear room Z80 / ZX Spectrum emulator with Claude Codeantirez 3 days ago. 36379 views. Anthropic recently released a blog post with the description of an experiment in which the last version of Opus, the 4.6, was instructed to write a C compiler in Rust, in a “clean room” setup.