What does the term 'trading of securities' refer to?

The term 'trading of securities' specifically refers to the buying and selling of financial instruments, such as stocks, bonds, options, and other securities. This process involves investors and traders engaging in transactions to exchange ownership of these financial assets in various markets, such as stock exchanges or over-the-counter markets. The primary aim is often to profit from price fluctuations, hedge investments, or rebalance portfolios, highlighting the vital role that trading plays in financial markets. The other choices do not encompass the concept of securities trading, as they relate to different types of assets or exchanges that are not specifically about securities.