What does "Regulations only allow to sell SSE securities available at the end of the previous day" mean?

Overview

• Hong Kong – China Stock Connect (“China Connect”) is a mutual market access program through which Hong Kong and international investors can trade shares listed on the Shanghai Stock Exchange (SSE) and Shenzhen Stock Exchange (SZSE) via the Stock Exchange of Hong Kong (SEHK) and their existing clearinghouse. As a member of SEHK, we provide you with direct access to trade with eligible listed products on the Shanghai and Shenzhen Stock Exchange. Our clients with China Connect trading permissions will be eligible to trade SSE/SZSE securities through Shanghai and Shenzhen - Stock Connect…

Due to regulatory restrictions you are limited to trading only bonds that the account has added the relevant "Trading Permissions" If regulations do not allow your account to trade a contract then the trading permission for that product will not be available on your Client Portal Trading Permissions page…

REQUEST CHINEXT PERMISSIONS

IMPORTANT: Only Clients with Hong Kong / China Stock Connect Permission are Eligible…

Overview:

The following is a high-level summary of the disclosure obligations and foreign investors’ shareholding restriction applicable to the trading of Shanghai Stock Exchange (SSE) Securities or Shenzhen Stock Exchange (SZSE) Securities under Stock Connect…