The exchange said that process was likely to take several weeks.

The exchange said they couldn't get any answer, but I kept them at it and got him in the end.

The exchange says it plans to have a new computer system in place by 2009.

For its part, the exchange said it was pleased with the results.

The total difference from market price on these transactions was about $10,000, the exchange said.

Before that, the most stock they had ever owned was about $400 million, the exchange said.

The performance of at least seven other specialists is also under investigation, the exchange said.

But the real problem, the exchange said yesterday, is that investors can not read fast enough.

The exchange said it expects to continue its relationship with that firm.

The exchange said the regulations were needed because of its rapid growth in recent years.