N-UNCOUNT 内幕交易，内线交易(利用内幕消息买卖公司股票以牟利的不法交易行为) Insider trading or insider dealing is the illegal buying or selling of a company's shares by someone who has secret or private information about the company. 内幕交易，内线交易(利用内幕消息买卖公司股票以牟利的不法交易行为) [business]