The internet is drowning in trendy suitcases, and millennials can’t stop buying them

This is shaping up to be a blockbuster year for summer travel. And as airports in London, Singapore, New York, Vancouver, or Sydney flood with tourists, you’ll notice their luggage looks sleeker and more colorful than it did in the past. A decade ago, most tourists were wheeling around suitcases from luggage giants Samsonite, Delsey, American Tourister, Tumi, and Rimowa. But these days, while these brands still dominate roughly half the market, there’s a flock of new brands shaking up...