July 21, 2002

WorldCom files for bankruptcy

WorldCom filed for Chapter 11 bankruptcyLegal process when a company cannot pay debts — often follows rapid collapse in crypto or dot-com busts. on July 21, 2002 — after revealing $3.8 billion in accounting fraud, becoming the largest bankruptcyLegal process when a company cannot pay debts — often follows rapid collapse in crypto or dot-com busts. in U.S. history and capping the telecom overbuild that followed the dot-com bubble.

What it was for

WorldCom had laid millions of miles of fiber during the dot-com boom; when demand failed to materialize, executives inflated earnings to keep stock prices up. The collapse stranded excess datacenter and backbone capacity — cheap bandwidth that later benefited cloud providers — while destroying shareholder value and accelerating telecom industry consolidation.

Why it's here

WorldCom's fraud was the telecom capstone to Enron-era accounting scandals.

Why it mattered

It wrote off billions in fiber buildout and pushed Congress toward Sarbanes-Oxley.

What it solved

Markets needed to purge fraudulent balance sheets after the dot-com and telecom bubbles.

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