Bright Smart's stock fell sharply by 7.14% during intraday trading on Tuesday, marking a significant decline for the Hong Kong-listed securities firm.

The sell-off comes as Hong Kong stocks face pressure after Beijing tightened capital controls, punishing online brokers for moving Chinese money offshore without a license. Analysts note that small Hong Kong brokers like Bright Smart are particularly vulnerable to an expected liquidity drop resulting from the regulatory crackdown, which could affect hundreds of billions of dollars in assets and has already roiled related markets.