Daiwa Securities Group Inc.(大和証券グループ本社,Daiwa Shōken Gurūpu Honsha?) (TYO: 8601 ) is one of Japan's big three securities brokerages. The Tokyo Stock Exchange ), or TSE, is one of the largest stock exchange markets in the world by monetary volume located in Tokyo, Japan, second only to the New York Stock Exchange. ... A stockbroker is a person or company who buys and sells stocks on behalf of another person or company. ...