Летящий из России во Вьетнам самолет подал сигнал бедствия20:53
There are so many obstacles:
。关于这个话题，PDF资料提供了深入分析
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。
Comprehensive test suite. My project instructions told Claude to write tests and make sure they failed before writing any new code. Alongside, I asked it to run tests after making significant code changes or merging any branches. Armed with a constantly growing test suite, Claude was able to quickly identify and fix any regressions it introduced into the codebase. The tests also served as documentation and specification.