From £12 to £1,000: how much is a prom dress really worth?

Faisal IslamEconomics editor, Davos, Switzerland EPA-EFE/REX/Shutterstock Trump appeared at Davos remotely last year, just a few days after his inauguration Apart from the snow and the temperature Greenland does not have much in common with the Swiss alps. But the fight for the future of the island looms over the gathering of world leaders and…

The boss of Lululemon Athletica, the brand known for its expensive yoga leggings and other sports clothing, is to leave the company early next year. Calvin McDonald, the firm’s chief executive, will depart at the end of January after more than seven years at the helm. The decision comes amid a run of poor sales…