The Krausz Cos. and WG Group bought a strip mall and an office park in Las Vegas for nearly $80 million total. They acquired a portion of Tropicana Beltway Center in the southwest valley for $59 million. They also acquired the Westbay office complex in the Las Vegas Medical District. The buyers are former owners of The Gramercy, a once-mothballed mixed-use project in the Las Vegas suburbs. They sold The Gramercy in phases for more than $100 million.