The Securities and Exchange Commission regulates:

a) security and alarm companies

b) non-monetary exchanges, like bartering

c) the stock market

d) auto insurance companies

The correct answer is c) the stock market.

The Securities and Exchange Commission was founded in 1934 as an independent agency of the US government that is responsible in enforcing securities laws, securities regulation, or any policy related to securities issued by companies.

Option A is incorrect as security and alarm companies before operating receives green light from the Bureau of Security and Investigative Services.

Option B is incorrect as bartering regulates by the US Trade Department.

Option D is incorrect as auto insurance companies are regulated by the state insurance commissions.