Final answer:
The Securities and Exchange Commission (SEC), the Federal Reserve, the Office of the Comptroller of the Currency, and the National Credit Union Administration (NCUA) are key regulatory bodies overseeing financial markets and institutions in the United States.
Step-by-step explanation:
The student asked about some regulatory bodies responsible for overseeing financial markets. In the United States, the primary agencies are the Securities and Exchange Commission (SEC), which regulates and supervises the sale of securities as well as the brokers, dealers, and bankers who sell them, and the Federal Reserve, which focuses on supervising financial institutions including bank holding companies. Additionally, the Office of the Comptroller of the Currency supervises banks, ensuring that they have positive net worth and appropriate risk levels, and the National Credit Union Administration (NCUA) supervises credit unions, which are nonprofit financial institutions.