COMPANIES DGSE Companies announced it has generated a nonbinding letter of ­intent to buy National Pawn, a 27-store pawnshop chain. Movado Group has acquired JLB Brands, owner of the ­Olivia ­Burton brand, for £60 million ­(approximately $77.5 million). This purchase brings the watch company into the fashion jewelry category for the first time. COMINGS AND GOINGS Tiffany & Co. has chosen as its new CEO Alessandro Bogliolo (pictured). He formerly served as the CEO of fashion brand Diesel as well as chief operating officer of Bulgari. He replaces Michael Kowalski, who was serving as interim CEO and remains chairman. Former Tourneau executive vice president Andrew Block has been appointed president and partner of TrueFacet, the online marketplace for pre-owned watches and jewelry. In addition, Laurie Chan has joined the company as vice president of marketing. Jewele