Hot Property: 100 Summer St., Boston

Validity Inc. has relocated its headquarters to a new 25,000-square-foot office suite at 100 Summer St. in Boston’s Financial District, after subleasing space for four years in Back Bay.

Boston Office Tower Sold for $806M

An office tower that’s recently attracted new tech, life science and coworking tenants has been sold to Rockpoint Group, in its second big-ticket acquisition in downtown Boston in the past month.