The primary regulator for all the securities industry in the US. Its responsibility is to promote full disclosure and to protect investors against fraudulent and manipulative practices in the securities markets.

The US regulator for all companies quoted on the country's stock exchanges.

A federal agency that regulates the U.S. financial markets. The SEC also oversees the securities industry and promotes full disclosure in order to protect the investing public against malpractice in the securities markets.

The United States agency charged with ensuring that the U.S. stock market is a free and open market. All companies with stock registered in the United States must comply with SEC rules and regulations, which include filing quarterly reports on how well the company is doing.