You notice a star trader consistently books high profits but frequently amends trade tickets after hours. Your manager tells you to ignore it because 'he makes money.' What is your next step?

你注意到一位明星交易员一直保持高额利润，但他经常在盘后修改交易单。你的经理让你别管，因为“他很能赚钱”。你下一步会怎么做？