Protesters organized by Occupy Wall Street and Occupy Together yell slogans and hold signs at Courthouse Square in Dayton, Ohio, Wednesday. Several large unions have come out in support of Occupy Wall Street. Al Behrman/AP hide caption toggle caption Al Behrman/AP The Two-Way Unions Back Wall St. Protests As Rallies Spread October 5, 2011 Occupy Wall Street is getting a shot in the arm, as some of America's largest unions and several key Democrats have supported the movement. The gain in momentum comes as offshoots of the original Manhattan group plan marches and protests around the nation.