Tuesday's biggest gaining and declining stocks By: MarketWatch May 11, 2010 at 07:50 AM EDT Among the companies whose shares may see active trade in Tuesday's session are Fluor, LDK Solar, Legg Mason, Nice Systems, J.C. Penney and Priceline. Read More >> Related Stocks: Aetna Ameriprise Financial Assured Guaranty Ltd Deutsche Post Ag ADR Fluor Corp J C Penney Company Inc Kelly Services Inc Cl B Kelly Svcs Cl A Legg Mason MBIA Inc Macy's Nice Ltd ADR Roche Holding AG Basel American Depositary Shares Royal Bank Scotland Group Plc Telefonica S.A. ADR The Priceline Group