Trading was halted across many Chicago Mercantile Exchange markets due to a cooling issue at a partner’s data center. The issue was resolved, and trading of futures and options resumed at 7:30 a.m. local time. The halt had the potential to cause substantial issues across global financial markets. Though resolved, the halt could lead to greater volatility during the shortened trading session on Friday. The CME is the world’s largest exchange operator, facilitating the trade of stocks, commodities, currencies, and other assets.

Read more at Yahoo Finance: Trading restarts at the CME after a ‘cooling issue’ at a data center prompted a halt