Wednesday's biggest gaining and declining stocks By: MarketWatch November 11, 2009 at 07:48 AM EST Stocks expected to move significantly in trading on Wednesday include Ralcorp, Regeneron, Toll Brothers and Tyson Foods. Read More >> Related Stocks: Aegon N.V. ADR Atmos Energy Corp Flowers Foods Las Vegas Sands Logitech Int S.A. Regeneron Pharmaceuticals Sanderson Farms IN Sanofi-Aventis S.A. ADR Smith & Nephew Snats ADR Toll Brothers Inc Tyson Foods Unilever NV Unilever Plc ADR Unisys Corp Vertex Pharmaceuticals