What are the businesses of securities investment consulting institutions?

Margin trading refers to the business activities of lending funds to customers for buying listed securities or lending listed securities for selling, and collecting collateral. A securities company shall implement centralized and unified management of the margin financing and securities lending business, and the decision-making and main management responsibilities of the margin financing and securities lending business shall be borne by the headquarters of the securities company. ? Securities companies engaged in margin financing and securities lending business shall open special securities accounts for margin financing and securities lending, customer credit transaction guarantee securities accounts, credit transaction securities settlement accounts and credit transaction fund settlement accounts in securities registration and settlement institutions in their own names, and open special financing fund accounts and customer credit transaction guarantee fund accounts in commercial banks in their own names. Securities companies shall open real-name credit securities accounts and real-name credit fund accounts for customers in accordance with regulations. Securities companies should charge a certain percentage of margin to customers for margin financing and securities lending. A securities company shall calculate the ratio of the value of collateral deposited by customers to the debts owed daily. When the ratio is lower than the minimum maintenance guarantee ratio, the customer shall be informed to make up the difference within a certain period of time.