Hua Nan Financial (TPE:2880) posted operating revenue of NT$7.23 billion in April, surging 59.6% from NT$4.53 billion a year earlier, according to a Friday Taiwan Exchange filing.
Shares slid about 2% in Monday's afternoon trade.
For the year to date, cumulative operating revenue jumped 30.5% to about NT$26.0 billion from NT$19.9 billion in the same period last year, it said.