Outlook roundup: Halliburton, Littelfuse

HOUSTON (AP)--Halliburton Co. said Monday that disruptions from hurricanes Gustav and Ike in the Gulf of Mexico will likely cut into third-quarter earnings. Its share price tumbled.

DES PLAINES, Ill. (AP)--Shares of Littelfuse Inc., a manufacturer of circuit protection products, plunged Monday after it cut its earnings and sales guidance for the third quarter.

NEW YORK (AP)--Virtual Radiologic Corp., which helps doctors interpret X-rays and provides other radiological services, on Monday lowered its third-quarter and annual forecast following a drop in patient procedures.

DETROIT (AP)--Auto parts maker Gentex Corp. on Monday cut its third-quarter revenue forecast, citing automaker production cuts, auto sales declines in the U.S. and Europe and financial market turmoil.