SRL for [rejoined]: Bowing to criticism , Bear Stearns , Morgan Stanley and Oppenheimer [rejoined] PaineWebber in suspending stock - index arbitrage trading for their own accounts .
ARG-0: Bear Stearns , Morgan Stanley and Oppenheimer | ARG-1: PaineWebber | ARG-M-ADV: in suspending stock - index arbitrage trading for their own accounts