Bloomberg American Express Co is sweetening rewards and raising the annual fee on many of its co-brand cards with Delta Air Lines Inc after the two renewed their longtime partnership this year. Annual fees on six Delta cards will rise, AmEx said in a statement. Platinum cards for consumers and small businesses will increase to $250 from $195, while Reserve …

Bloomberg Forever 21 Inc filed for bankruptcy protection, the latest big fashion merchant who couldn’t cope with high rents and heavy competition as the shift to e-commerce cut a swathe through traditional retailers. Court papers filed in Wilmington, Delaware, show Forever 21 has estimated liabilities on a consolidated basis of between $1 billion and $10 billion. The Chapter 11 filing …

Bloomberg The risk of a property bubble in the euro zone surged last year as ultra-low interest rates helped drive up house prices. Munich is now the city most vulnerable to a property bubble, according to UBS Group AG’s annual Real Estate Bubble Index. Frankfurt and Paris are increasingly in danger of prices becoming unsustainable, even as some of the …