SRL for [battle]: At Kidder , a unit of General Electric Co. , and other big brokerage firms , stockbrokers [battle] their own firm 's program traders a few floors away .
ARG-M-LOC: At Kidder , a unit of General Electric Co. , and other big brokerage firms | ARG-0: stockbrokers | ARG-1: their own firm 's program traders a few floors away