LEXINGTON, MA-The developer of high-tech solutions products chose the spot, which will be used for its technical services group, due to its close proximity to the Hanscom Air Field.

BOSTON-American Financial Realty Trust purchases the 1.1-million-sf office tower for nearly $641 per sf, making it one of the city's biggest deals ever. The 36-story building is fully leased by State Street for 20 years.

NORWELL, MA-The South Shore Charter School paid $5.5 million for the facility which is located on six acres at 100 Longwater Dr. The building is the former corporate headquarters for Serono Laboratories Inc. and was sold by iStar.

CHELSEA, MA-In a deal that the broker involved says exemplifies the escalating demand in the city for food-processing space, State Garden Celery acquires 300 Third Ave. for $5.7 million.

BOSTON-Folio Boston, a high-rise residential condominium project at 80 Broad St. which is situated right near the new Rose Kennedy Greenway, nails down a $63 million loan.

LITTLETON, MA-The environmental consulting firm is leasing a 20,692-sf office, research and development and light-assembly facility which is located near the intersection of Routes 119 and 495.

PITTSFIELD, MA-The retailer, which filed for bankruptcy protection two weeks ago, says it is the victim of increasing competition from mass merchants. It receives permission to closes at least 375 stores across the country.

WALTHAM, MA-The locally based real estate development, investment and project management firm plans to use the capital to acquire up to $350 million worth of commercial real estate in Greater Boston.