Unverified50% confidenceFactExact time
Worldcom于2002年申请破产，是当时美国历史上最大的破产案，电信行业市值蒸发超过2万亿美元
1
Sources
50%
Confidence
Long-term
Relevance
7/8/2026
First Seen
Sources
AI泡沫警报：银行与云巨头为何开始集体示警
hackernewshackernews7/6/2026
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