Investors were handed something new to worry about Wednesday morning, as the Toronto Stock Exchange stopped trading in all issues after a computer crash.

“If this happened a year ago, everyone would just shrug their shoulders and wait for a fix,” said Sloan Levett, director of wealth management with Fuller Landau LLP in Toronto. “But with the tremendous amount of skepticism in the market, given everything that has happened in the last year, it will certainly make people feel uncomfortable.”

While offering no timeline on when stocks on the Toronto Stock Exchange and TSX Venture Exchange would start trading, the exchange said the markets will go into a “pre-open” mode once the technical glitches that have prevented trading Wednesday are resolved.

“We have halted all TSX and TSX Venture issues,” said Mark Jarrett, director of equity operations. “We will provide updates as they become available