As more people resume travel and plan vacations, retailers and consumer product companies including U.S. discount chain Target and cosmetics maker Coty are benefiting from a jump in luggage sales and increased spending at airports. Duty-free shops and makers of travel-related items, such as suitcases, saw sales stall during COVID-19 lockdowns across the world, but travel-related business is taking off again. United Airlines last month forecast the highest quarterly revenue in its history.