CME Malfunction Halts Black Friday Trading
A major technical malfunction at CME Group on Black Friday, November 28, 2025, brought trading to a standstill across critical foreign exchange, commodities, and stock futures markets, causing widespread uncertainty. This significant disruption to one of the world's largest derivatives marketplaces underscored the fragility of interconnected electronic trading systems and immediately raised concerns among regulators about systemic risk and operational resilience.