 SHORT HILLS, N.J.--BUSINESS WIRE--The Birch Group, a privately-held commercial real estate investor, owner and operator, today announced the 255-million acquisition of a prominent four-building portfolio in Short Hills, N.J. The off-market acquisition comes on the heels of the companys recent 77-million portfolio purchase in Morristown, and further cements its focus on acquiring prime value-add office assets across the suburbs of Northern N.J. The 843,300-square-foot portfolio comprises fo 