insider trading
noun /ɪnˌsaɪdə ˈtreɪdɪŋ/
/ɪnˌsaɪdər ˈtreɪdɪŋ/
(also insider dealing)
[uncountable]- the crime of buying or selling shares in a company with the help of information known only by those connected with the business, before this information is available to everybody
- a Wall Street dealer convicted of insider trading