Po Sang Securities and Futures Limited runs one official trading site for Hong Kong stocks, A-shares, 5x margin, IPO subscriptions, funds and convertible bonds. Balances are CNY and HKD. Account opening, deposits and exchange stay inside that site.Po Sang Securities and Futures Limited runs one official trading site for Hong Kong stocks, A-shares, 5x margin, IPO subscriptions, funds and convertible bonds. Balances are CNY and HKD. Account opening, deposits and exchange stay inside that site.