The tenth-largest banking company, First Chicago Corp.,...

The tenth-largest banking company, First Chicago Corp., posted a 30% profit gain in the fourth-quarter, compared to the same period a year earlier. First Chicago said net interest income fell during the quarter to $258.8 million from $282.2 million a year earlier, reflecting the revaluation of its leveraged leases. First Chicago also had an after-tax gain stemming from the effect of the new tax law on its leveraged lease portfolio. Net income for the full year increased $107.3 million over 1985.