financial benefits from trading derivatives on non-public information concerning JAS, i.e., dividend payment for the year 2015 and a repurchase scheme at the beginning of the following year, which he had
decreased revenue and increased expense from reservation of allowance for impairment losses of unused machine and doubtful accounts, (2) decreasing ratio of dividend payment for the year of 2016. Mr
expense from reservation of allowance for impairment losses of unused machine and doubtful accounts, (2) decreasing ratio of dividend payment for the year of 2016. Mr. Chana had accessed the information