The industry is banking on continuing demand for luxury at Baselworld 2015As if the chocolate and white asparagus weren’t enough of a draw, Baselworld, the luxury watch and jewelry fair taking place this year March 19–26, can always be counted on to lure visitors to Basel, Switzerland. Every year, the historic university town on the Rhine draws thousands of jewelers—retailers and vendors—who come to stock up on watches and peruse some of the world’s finest branded jewelry.And despite the drop in oil prices that analysts speculate could hurt sales from Russia and the Middle East (not to mention the ongoing currency volatility), Lawrence Lewis is optimistic. “Certain people are still insulated, and still want to have the best and are willing to pay for that,” says the CEO of Assael in New York City.Lewis has noticed improved business over the last year, noting a new wholesale