Lululemon has announced a full year earnings outlook that was well ahead of consensus estimates after the sportswear retailer delivered 16.0% year over year growth in same-store sales. U.S. imports in the three months to Feb. 28 surged 41.4% year over year, suggesting growth is set to continue. The firm’s supply chain has shifted over the past two years. While shipments from Vietnam formed the hub of supplies in the past, imports from China are now more significant. The latter accounted for 24.6% of imports in the three months to Feb. 28 after rising 95.2% year over year. The firm’s l...