There have been no trades on S&P 500 futures, Nasdaq 100 futures since 0344 GMT according to LSEG data. Trading halts began before that though.

CME’s website reports that CME Globex futures & options markets halted due to a technical issue.

Apparebntly it’s a cooling issue at Cyrusone data centres.

This article was written by Eamonn Sheridan at investinglive.com.