1. An article of manufacture comprising: (1) a non-transitory computer-readable medium, in which the non-transitory computer-readable medium stores instructions which, when executed by a processor, direct the processor to: receive data that is displayed in a view region that comprises a plurality of trading quadrants, in which the plurality of trading quadrants comprises at least: a first quadrant that displays information for a plurality of issues that correspond to a first benchmark instrument; a second quadrant that displays information for a plurality of issues corresponding to second benchmark instrument; (2) a keyboard that comprises: a plurality of command keys, in which each command key is mapped to execute a trading command on at least one issue in the first quadrant; and a toggle key that when selected causes each command key to be re-mapped to execute a different trading command on at least one issue in the second quadrant.