21.   But this has not been enough to prevent nervous investors from sending stocks down sharply this week.

22.   But this wave of concern has not reined in all the exuberance that had sent stocks so high.

23.   By midweek, the clamor to sell rubles was so loud that the government suspended trading, and investors responded by sending Russian stocks into a freefall.

24.   Can a best-selling book send a stock zooming?

25.   Chilean stocks rallied after two leading telecommunications companies agreed to drop all lawsuits filed against each other, sending their stocks higher.

26.   Concern over profit growth undercut the lofty expectations that sent global stocks to records this year.

27.   Concern that slumping Asian economies could hurt exporters undercut the rally that sent stocks to records earlier this year.

28.   Concern that rising interest rates will curb corporate profit growth sent stocks lower.

29.   Concern that slumping Asian would hurt U.S. exporters undercut the rally that sent global stocks to records this year.