General Growth Properties (GGP) has an idea for an economic stimulus plan: Let's all hang out at the mall! GGP is the country's #2 mall operator, behind Simon Property Group. The self-managed and self-administered real estate investment trust (REIT) has a portfolio that includes 131 regional shopping malls (some 128 million sq. ft. of space) in major US markets. GGP owns, manages, leases, and redevelops its malls, which generate more than $570 per square foot in sales each year. Some of GGP's shopping locations include Ala Moana Center in Honolulu and Fashion Show in Las Vegas. GGP also has an interest in a mall in Brazil. Top tenants include L Brands, Foot Locker, and The Gap.