route.01
frames- [ARG0 The side car] [rel routes] [ARG1 program trades] into [ARG2-into a special computer file that *T*-1 scans for imbalances of buy and sell orders] .
- At 10:33 , when the S&P 500 December futures contract crunched to a 12-point loss under the force of sell programs *T*-4 , S&P futures trading was halted *-1 and [ARG1 program trades on the Big Board] were [rel routed] *-2 into [ARG2-into a special computer that *T*-3 scans for order imbalances] .
- While the exchange 's equities floor in San Francisco remained open on a limited basis , [ARG1 orders] were being [rel routed] and executed *-1 [ARGM-LOC in Los Angeles] .