Galleries GMST World Markets-Knight Securities Co-Hosted Client Dinner By Editorial Staff - December 31, 2000 ShareTweetShare 1 of 9 Gerry DeCaro, Knight Securities, Jersey City; Steve Carolus, GMST World Markets, Orlando; Bobby Sonzo, Chicago; Vinny Mattielli, Jersey City, both Knight Securities; Gerry Mastrianni, Orlando, Steve Toarmina, Philadelphia, both GMST World Markets. ShareTweetShare