American Capital Agency Corp is a real estate investment trust (REIT) that primarily invests in residential mortgage-backed securities. These securities are backed by home loans, allowing the company to earn income from the interest on these mortgages. Founded in 2008, American Capital Agency Corp aims to provide attractive returns to its shareholders by leveraging its investments. The company is publicly traded on the NASDAQ stock exchange under the ticker symbol AGNC. Its focus on agency securities, which are guaranteed by government-sponsored entities, helps mitigate risks associated with mortgage investments.