The city's securities regulator has won orders against three entities suspected of alleged fraud, while separately two solicitors are found to have carried out insider dealing.
Trading stocks cross-border between Hong Kong and Shanghai is about to get easier, but that could mean insider dealing will as well.
The Monetary Authority of Singapore won the default judgment against Norman Phua Chun-Han in a case that stems from events that started in November 2008.
Du Jun has been ordered to make the payment to investors after conducting insider dealing in Citic Resources stocks listed in Hong Kong.
Eastern Magistracy sentences Simon Chui to 15 months in prison and fines him over $1 million for two counts of insider dealing in the firm's shares prior to a profit warning in 2008.
Hong Kong's Securities and Futures Commission exhibits a continued hard line on market abuse with the conviction of Simon Chui.