The limitation period for any private civil action implied under section 78j(b) of this title that was commenced on or before June 19, 1991, shall be the limitation period provided by the laws applicable in the jurisdiction, including principles of retroactivity, as such laws existed on June 19, 1991.
Any private civil action implied under section 78j(b) of this title that was commenced on or before June 19, 1991 -