With a market cap of $9.8 billion, Generac Holdings Inc. (GNRC) is a leading global provider of backup power generation, energy storage, and smart energy management solutions. Founded in 1959 and public since 2010, the company serves residential, commercial, industrial, and infrastructure markets through its domestic and international segments. Companies worth$2 billion to $10 billion are typically referred to as "mid-cap stocks." GNRC fits right into that category. While best known for home standby and ...