PMC Property Group purchased a North Carolina skyscraper for $30.25 million in a deal that closed Monday, according to Forsyth County records. The Philadelphia-based developer bought the 18-floor Nissen Building Apartments at 310 W. Fourth St. in downtown Winston-Salem from HRI Properties of New Orleans. Built in 1927 - then the tallest building in North Carolina -- Nissen contains 145 luxury apartments. The building is on the National Register of Historic Places. PMC owns residential and commercial...