 GLENDALE, Calif.--BUSINESS WIRE--PS Business Parks, Inc. NYSE:PSB announced today that it has completed the acquisition of Port America, a 717,735 square foot multi-tenant industrial park located in Dallas, Texas, for a total purchase price of 123.0 million. Port America consists of 15 buildings with an average customer size of 8,000 square feet and was approximately 96 occupied at closing. The park is strategically located immediately adjacent to DFW International Airport on fee simple l 