Bloomberg US airlines tumbled for a second day as more carriers announced plans to add seating capacity— compounding fears of a fare war that would crimp revenue as fuel costs climb. Alaska Air Group Inc. said it expects to increase capacity 7.5 percent this year, while JetBlue Airways Corp. projected as much as 8.5 percent. Economists predict gross domestic product ...

Bloomberg Asos Plc’s domestic sales growth rebounded over the holidays as the UK’s largest online-only fashion retailer profited at the expense of store-based rivals. Sales in the UK, Asos’s largest market, rose 23 percent to $429 million in the four months ended on December 31, the London-based company said. The shares rose as much as 1.3 percent, recouping early losses. ...

Bloomberg Southwest Airlines Co. is pushing its supplier to fix customer service problems that emerged following a $500 million upgrade of its outdated reservations system. The carrier is leaning on Amadeus IT Group SA to resolve issues with its Altea programme that replaced Southwest’s 30-year-old, mostly home-grown technology. There have been at least five technical outages since August, with most ...