In one of the largest deals of the second quarter, Crocker Partners and Rialto Holdings bought a 1.7 million-square-foot office campus in Boca Raton, Florida, for $179.3 million. Total U.S. office property sales volume declined in the first half of the year as institutional owners opted to hold onto their properties following record sales in the past few years and buyers from China reduced their purchases. Sales dropped 14 percent to $57.9...