The financial accounts opened by securities companies can be used to invest in a series of investment financial instruments such as stocks (including A shares, B shares and H shares), bonds (including government bonds, corporate bonds and corporate bonds) and futures (including financial futures such as stock index futures and foreign exchange futures, and commodity futures such as gold futures and agricultural products futures). The opening of a securities account can be handled in the business department of a securities company, and it needs to be handled within the trading day.