lans to open between 15 and 20 international stores this year, including in South Korea, San Francisco, Singapore, Japan andShanghai.Jaana Jatyri, chief executive of fashion forecaster Trendstop.com, said: More than even Burberry, perhaps, Mulberry is a brand that has benefited from the growing demand in Asia.Some are even buying Mulberry hand-crafted handbags as an investment, seeing them as a