A Chicago Data Center Overheated—and Shut Down Trade in Key Markets Across the Globe

The Wall Street JournalFriday, November 28, 2025 at 11:24:00 PM
A Chicago Data Center Overheated—and Shut Down Trade in Key Markets Across the Globe
  • A significant outage at the Chicago Mercantile Exchange (CME) lasted over 10 hours, disrupting trading in equity, bond, and commodity futures. The incident was traced back to a private equity-owned data center, which raised concerns about the reliability of critical trading infrastructure.
  • This disruption is particularly impactful for CME, as it handles an estimated $25 quadrillion in transactions, highlighting vulnerabilities in its operational framework and potentially affecting its reputation among traders and investors.
  • The outage occurred amid a backdrop of declining business activity in Chicago and raised questions about the resilience of financial markets, as traders globally were left unable to execute trades. Despite the setback, some market indices like the S&P 500 showed signs of recovery, indicating a complex interplay between technological reliability and market dynamics.
— via World Pulse Now AI Editorial System

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