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Host Marriott to Sell Food, Retail Unit: The Baltimore-based company plans to spin off its business that operates food and retail outlets at highway rest stops, airports and sports arenas. The company said its hotel real estate business will keep the name Host Marriott Corp. Host Marriott has been considering selling the airport and toll-road concession business to focus on the hotel real estate side of the operation. Host Marriott’s stock closed at 11.875, up 37.5 cents, on the New York Stock Exchange. The company plans to issue a special dividend that would give Host Marriott shareholders one share in Host Marriott Services for every five of their Host Marriott shares.