BILLERICA, MA-In a move that essentially finalizes the company's separation from its parent, Millipore Corp., Mykrolis Corp., leases a 175,000-sf facility at 129 Concord Rd. for its new headquarters.

SEEKONK, MA-New York-based Time Equities Inc. acquires Seekonk Crossing, a 214,000-sf shopping center at 145 to 201 Highland Ave. from Price Legacy Corporation for $15.3 million.

WATERTOWN, MA-In a show of confidence that the telecom industry is poised for a rebound, AT&T is planning to open its 200,000-sf Web hosting center in a few weeks. The facility was originally slated to come online last year.

BOSTON-A group of medical tenants take 16,424 sf of space at 237 Cypress St. in the neighborhood of Brookline. The broker involved tells GlobeSt.com that while this area has a lot of space available, the medical office market is tight.

CANTON, MA-Senior housing developments continue to be the projects developers want to build, as evidenced by the zoning bylaw that was approved in this town that creates a special zoning designation for 55-and-over housing projects.

CONCORD, MA-Period Realty Trust files a proposal to develop an 80-unit apartment complex in West Concord. The project has an affordable housing component but those opposed to it insist it is the size, not the nature of the development that they object to.

WESTFORD, MA-Red Hat establishes a presence in the northeast by opening an office on 3 Lan Dr. The company claims it opened its engineering and research and development facility in this area to take advantage of the local high tech talent pool.

MEDFIELD, MA-While the town seems to be unaware of the decision, a state official tells GlobeSt.com that Medfield State Hospital will be closed. But what's in store for the 225-acre parcel on which the hospital is located remains anybody's guess.