China's ban on offshore brokers serving mainland residents means a long-term liquidity drain for Chinese ADRs and Hong Kong stocks. Eight ministries jointly barred foreign institutions from cross-border securities services; existing users can only sell for two years before forced account closure, and Futu was fined up to 1.85 billion yuan. With mainland retail investors' route overseas sealed off, new money will find it increasingly hard to enter these markets. x.comÂ