▁red ▁and ▁named ▁ ▁in ▁the ▁Blo om berg ▁system , ▁with ▁the ▁red ▁to ▁catch ▁one ' s ▁eye ▁to ▁stop ▁a ▁task . ▁The ▁ ▁key ▁is ▁referred ▁to ▁as ▁ ▁with ▁a ▁green ▁color , ▁der iving ▁from ▁the ▁Mon opol y ▁game ▁board , ▁by ▁passing ▁Go ▁and ▁collect ing ▁$ 2 0 0 ▁in ▁a ▁hope ▁that ▁the ▁user ▁could ▁make ▁money ▁on ▁the ▁information ▁he ▁would ▁find . ▁ ▁The ▁Blo om berg ▁keyboard ▁includes ▁a ▁unique ▁ ▁key ▁which ▁navig ates ▁back ▁to ▁the ▁previous ▁function ▁used . ▁ ▁If ▁no ▁previous ▁commands ▁are ▁found , ▁ ▁displays ▁a ▁list ▁of ▁related ▁functions . ▁ ▁Similarly , ▁the ▁ ▁key ▁will ▁populate ▁the ▁command - line ▁with ▁previously ▁used ▁functions ▁in ▁reverse ▁chron ological ▁order , ▁as ▁the ▁ ▁key ▁function ▁does ▁in ▁certain ▁command ▁prompt s . ▁ ▁The ▁yellow ▁hot keys ▁along ▁the ▁top ▁of ▁the ▁keyboard ▁are ▁used ▁to ▁enter ▁market ▁se ctors , ▁and ▁are ▁generally ▁used ▁as ▁suffix es ▁to ▁allow ▁the ▁terminal ▁to ▁correctly ▁identify ▁a ▁security . ▁▁ ▁F 2 ▁GO V T ▁– ▁government ▁se cur ities ▁( U . S . ▁tre as ury ▁and ▁non - U . S .) ▁ ▁F 3 ▁C OR P ▁– ▁corpor ate ▁deb t ▁ ▁F 4 ▁M T GE ▁– ▁mort g age ▁se cur ities ▁ ▁F 5 ▁M - M kt ▁– ▁money ▁market ▁ ▁F 6 ▁M UN I ▁– ▁municipal ▁deb t ▁ ▁F