* AOL Time Warner - US Sec's regulators are investigating whether AOL misstated $400mn in advertising revenue at its America Online unit from transactions w/ Bertelsmann
* US Airways - Group Exits Bankruptcy, Plans to Buy 100 Small Jets for Growth
* Ford Motor - may have its debt ratings cut if the company's revitalization efforts fail, Barron's said, citing an official with Moody's Investors Service
* Haliburton - lower after Newsweek rpt'd the company lost its bid for a rebuilding contract in Iraq
* Ethan Allen - fell 79 cents to $29.55. The furniture retailer said profit will fall in the third quarter because snowstorms and eroding confidence in the economy, as well as the war in Iraq, hurt sales
* Altria - fell $1.17 to $32.13. Standard & Poor's, the credit- ratings company, said Philip Morris may have to consider bankruptcy if it can't reduce the amount of a bond it has put up to appeal an Illinois court verdict
Milan Procházka