Tuesday's biggest gaining and declining stocks
April 21, 2009 at 08:13 AM EDT
Stocks expected to move significantly in trading on Tuesday include the major banks - including Comerica, Huntington, KeyCorp, Regions, State Street, U.S. Bancorp and Zions - as well as Boston Scientific, Caterpillar, Coke, Delta Air, DuPont, IBM, Lexmark, Lockheed Martin, Merck, Schering-Plough, Texas Instruments and United Technologies.