SHELTON, CT-Health Net of the Northeast Inc. expands its operations here with the signing of a 10-year lease for 33,078 sf of space at 4 Research Dr. The company plans to house its information technology and its appeals and grievances groups at the property.

NORWALK, CT-Developer Building and Land Technology relocates from leased space at Merritt 7 Corporate Park to approximately 7,000 sf of space at its recently completed 901 Main Ave. office building here.

RENSSELAER, NY-New York City based Abacus Capital Group LLC places its Mansions at Technology Park apartment community here on the market for sale. Although no asking price was released, the firm acquired the property about a year ago for about $38 million.

YONKERS-Mack-Cali Realty Corp. inks a 27,015 sf-lease deal with Progressive Casualty Insurance at its 1 Executive Blvd. property here. The firm also secures lease renewals with Wachovia Bank and Montefiore Medical Center at its buildings in White Plains and here, GlobeSt.com has learned.

STAMFORD, CT-Market information firm TNS is moving its operations from Two Pickwick Plaza in Greenwich, CT to 28,094 sf of space at Five High Ridge Park here. GlobeSt.com has also learned that Merrill Lynch is expanding its offices at Pickwick Plaza.

NORWALK, CT-In a move to keep the firm as a tenant, the ownership of Merritt 7 Corporate Park restructures Arch Chemical's lease. The firm inks a new five-year agreement for 60,268 sf.

STAMFORD, CT-GE Real Estate names the team that will oversee its latest acquisition, Arden Realty. GE managing director Joaquin de Monet becomes president and CEO of Arden, which GE acquired for $4.8 billion.

WHITE PLAINS-A New York State Supreme Court Justice throws a roadblock into plans by Forest City Ratner Cos. to build its $600-million Ridge Hill Village development in Yonkers. Justice Nicholas Colabella issues a ruling that invalidated a zone change on the property granted by the Yonkers City Council late last year.