Stockbroking is the practice of buying and selling securities, such as stocks, bonds, and mutual funds, on behalf of investors. There are several synonyms for the term "stockbroking" that can be used interchangeably, including investment banking, securities trading, stock trading, and equity trading. Investment banking refers to the process of buying and selling securities for companies and governments, as well as providing financial advice and assistance with mergers and acquisitions. Securities trading involves the buying and selling of stocks and other types of securities on behalf of clients. Stock trading specifically refers to the buying and selling of stocks, while equity trading is another term that can be used to describe the same practice.