Josh Penner, co-head of index options trading at Salomon Smith Barney in New York, has left the firm. Bret Engelkemier, Penner's co-head in New York, has taken over Penner's role, according to firm officials.
Penner and Engelkemier declined comment and Bryan Mazlish, managing director, equity derivatives, to whom Penner reported, didn't return calls.
