It could, if Nasdaq uses the proceeds to improve its technology, pay for vigorous oversight and forge greater links with overseas markets.

But Mr. Herdman's industry ties and history of opposing vigorous outside oversight have drawn suspicion from some current and former officials.

"As this disturbing scandal has shown, we need more vigorous oversight over nonmayoral agencies."

As a subcommittee member, I plan to conduct vigorous oversight of the programs within the subcommittee's jurisdiction that touch the lives of millions of Americans.

The incompetence in prosecuting the Iraq war aftermath and Katrina alone are reason for vigorous oversight by other branches to bring accountability and transparency.

True, some critics still complain that genetic engineering is booming ahead without adequate public discussion or vigorous oversight.

BSEE works to promote safety, protect the environment, and conserve resources offshore through vigorous regulatory oversight and enforcement.

Instead, let's appoint competent and experienced leaders and provide vigorous independent oversight to make sure they're doing what they're supposed to do.

He added that he and the Council wanted more vigorous oversight over corruption, but said they differed on whether the monitoring agency should be independent of the mayor.

But it said accusations of abuse persisted nonetheless, and called for much more vigorous oversight and punishment for abusive agents.