
SINGAPORE, Nov 28 (Reuters) - Exchange operator CME Group CME.O said on Friday trading in derivative markets was halted due to a cooling issue at data centres.
"Support is working to resolve the issue in the near term and will advise clients of Pre-Open details as soon as they are available," CME said in a statement.
Futures trading for the U.S. S&P 500 and Nasdaq along with foreign exchange products were affected.