MALDEN, MA-The Hamilton Co. has acquired a retail center at 144-196 Commercial St. in Malden.

BRIDGETON, MO-Duke Realty, a real estate company based in St. Louis, has signed a new deal with 1-800-Pack-Rat, a portable storage company, to lease space in its Dukeport complex situated in Bridgeton.

NORTHBROOK, IL-Phoenix-based Cole Real Estate Investments is acquiring one of the Caremark Towers buildings in Northbrook for approximately $43 million.

LONDON-Great Portland Estates has sold the freehold interest in six properties near London Bridge.

FORT WORTH-Holliday Fenoglio Fowler has secured $4 million in refinancing for Hulen Square, a retail center measuring 83,402 square feet at 6201-6299 Granbury Road in Fort Worth.

AUSTIN, TX-Asterra Properties has brokered three office lease deals totaling 5,964 square feet at 13809 Research Blvd. in Austin.

CHICAGO-The owner of the old IBM Building situated in River North has signed preliminary agreements to lease nearly 260,000 square feet to two tenants.

PLANTATION, FL-An associate of Palm Beach Gardens-based Ram Realty Partners has purchased the distressed mortgage on Jacaranda Plaza, an 188,077-square-foot retail center at 8101 and 8111 W. Sunrise Blvd. in Plantation.