Canada’s largest stock exchange and other securities markets operated by TMX Group were shut down about two hours early Friday due to undisclosed technical problems. “We have identified the issue and are working to rectify,” the company said in a statement, without disclosing details. “We apologize for the inconvenience. We expect to resume trading at regular hours on Monday, April 30, 2018.”A spokesperson for Toronto-based TMX Group said at 5:15 p.m. that another update would be issued through social media when more information was available. A TMX official was also expected to brief the media on Monday, but details weren't available.

Source: thestar April 27, 2018 18:53 UTC