In what was widely said to be the most unusual case of securities misconduct to have hit Taiwan in 30 years, PQI came under the scrutiny of the Financial Supervisory Commission on suspicion of falsifying financial statements.
號稱台灣證券史 30 年來最詭譎的勁永案，肇因於勁永涉嫌作假帳被金管會盯上，引發股市禿鷹襲擊、多空火併，又因涉案者龐雜而喧騰一時。