Neither was their volatility the result of any significant announcement.

It was not clear how significant the announcement was.

That changed today, as Microsoft made a couple of significant announcements about IE8.

Teasers-typically, small space messages that appear before the open- ing of a business or in conjunction with some significant new announcement.

Another significant announcement was the halving of the dividend to increase funds available for price cuts and quality.

But his campaign's search for a significant announcement ran headlong into a furious argument within the White House in recent days.

The Penguins would not comment beyond saying that they would have a significant announcement today.

Though the Grizzlies refused to confirm West's hiring, the club said it would hold a news conference today to make a "significant announcement."

Last week, on the strength of several significant announcements, the tables turned.

Finchem wanted to focus on other issues today, and he made several significant announcements.