He was known for his role as former managing director of the Wall Street investment bank Morgan Stanley in Hong Kong.
[5][6] According to the Securities and Futures Commission (SFC), Du purchased CITIC shares at least nine times in the early part of 2007.
[3][7][8] He was taken to appear before Garry Tallentire, Principal Magistrate of the Eastern Magistracy, the following day, making his court debut in the process.
[10] As well as the prison sentence and fine, Du received a five-year ban from taking high-profile posts in any listed company or dealing in any further of the type of business which resulted in his conviction.
[6] Then-CEO of the SFC Martin Wheatley said that "This sentence sends the strongest possible message that insider dealing is not tolerated in Hong Kong and those found guilty can expect lengthy terms of imprisonment".