CapitaCommercial Trust, an office landlord partly owned by CapitaLand, fell as much as 13 percent to S$1.02 after Goldman cut its share-price estimate by 39 percent. K-REIT Asia, the property trust partly owned by Keppel Land Ltd., fell as much as 4.9 percent to 77 Singapore cents. The brokerage cut its rating on the shares to ``neutral'' from ``buy,'' and slashed its share-price target by 49 percent.