What does it mean that the balance of Huatai Securities account will increase every day?

It is to use the idle margin in your stock account to buy this money fund every day to manage your finances. You can use it directly when you need to buy stocks. You need to transfer money to the bank for cash withdrawal. Some of them have a shortcut to directly transfer money to the bank for cash withdrawal, while others have to wait T+ 1 day to transfer money to the bank for cash withdrawal. When you want to terminate, you can directly find this click termination in the securities account fund.