the crime of buying or selling shares, bonds, etc. in a company with the help of secret information about the company that is not available to the public （股票、债券等买卖中的）内幕交易罪◆He was convicted of insider trading and fined $2.2 million. 他被判内幕交易罪并被罚款 220 万元。
the buying and selling of a company's shares, bonds, etc. by directors or senior managers of the company 内部交易SYNinsider trade