Technical systems and supportive policies are being prepared, an official with the Chinese securities watchdog said.
Leung Chun-ying says any advocacy of "HK independence" violates the Basic Law.
China condemned the incident in Kyrgyzstan's capital Bishkek, calling it an "extreme and violent attack".
The European Commission has ruled that Ireland must demand back taxes from Apple of about 13 billion euros.
The US and India pledged deeper security and commercial ties at the start of an annual US-India strategic dialogue Tuesday.
Sexual transmission remained the major mode of HIV transmission in Hong Kong.
Allotted defense budget for 2017 was 40.33 trillion won, up 4% from the previous year.
The G20 summit comes at a time when the growth of global trade trails that of global GDP.