http://www.marketwatch.com/story/glitch-halts-trading-on-australias-asx-2011-02-28
"To fix the problem, we had to halt the whole market, which is what happened, and we are still working on it now to rectify the problem," said Gibbs.
He said that he didn't know if trading would open at the normal time of 10 a.m. on Tuesday.