Last week's biggest Gulf Coast gainers were Sun Hydraulics at $2.08 (7.98%), Roper Industries Inc. at $1.65 (2.93%) and HSN Inc. at $1.63 (5.84%). The biggest decliners were Walter Energy Inc. at $-1.05 (-1.18%), Cinnabar Ventures at $-0.53 (-19.41%) and Sykes Enterprises at $-0.43 (-1.77%).