Cognizant Technology (NASDAQ: CTSH) is up 14% on good earnings.

Aruba Networks (NASDAQ: ARUN) is trading down 23% on a weak quarterly report.

MBIA (NYSE: MBI) is off 12% on news of a secondary offer to raise money.

comScore (NASDAQ: SCOR) is selling off 13% on a weak quarter.

Stocks may trade differently in the pre-market than they do in the regular session.

Douglas A. McIntyre is an editor at 247wallst.com.