SAN FRANCISCO (MarketWatch) -- Trading in all Nasdaq-listed stocks and options was halted on Thursday due to technical problems on the bourse, according to Nasdaq OMX Group NDAQ, -2.24% . The exchange sent out a series of emails alerting investors that it was experiencing issues with "quote submissions." In response, the New York Stock Exchange has also stopped trading in all Nasdaq securities at the request of Nasdaq OMX. "All orders in those securities have been cancelled back to customers," said NYSE in a statement. The Nasdaq Composite index COMP, -1.26% was last at 3631.17, up 31.38 points, before trading was suspended. There was no immediate word on when transactions will resume. [Updated with NYSE developments.]