BRIDGEPORT, CONN. — Westport, Conn.-based Vidal/Wettenstein has arranged the sale of the former National Wholesale Liquidators building in Bridgeport for $7.85 million. The building totals 45,000 square feet and is situated on 2.68 acres at 4425 Main St. The buyer, Fortress Development, plans to lease the property to a major supermarket. The seller was Cornell Main Street. Bruce Wettenstein of Vidal/Wettenstein was the sole broker in the transaction.