ARMOUR Residential REIT, Inc. is an American company focused on real estate investments, specializing in investing in mortgage-backed securities and residential properties. The company operates as a REIT (Real Estate Investment Trust), which is a type of investment company that focuses on investing in real estate and generates income from rents, lease payments, or property sales. ARMOUR Residential REIT, Inc. primarily invests in mortgage-backed securities backed by residential loans, allowing the company to profit from the difference between the interest income from these securities and the cost of financing them. The company monitors the mortgage-backed securities markets and responds to changes in interest rates and market conditions. Investors in ARMOUR Residential REIT, Inc. (ARR) can gain exposure to real estate markets and potentially attractive returns from investments in residential mortgage-backed securities.