CME Group Inc. (CME) Stock Update: Data Center Outage, Institutional Buying and New Growth Drivers — 29 November 2025
CME Group shares closed at $281.46 on 28 November 2025, near the top of their 52-week range, after a year of nearly 23% total return. A 10-hour outage on Friday, caused by a cooling failure at a CyrusOne data center, halted trading in major futures and options contracts before operations resumed.