Bloomberg Nasdaq Inc. is reviewing its systems to avoid a repeat of an hours-long shutdown in trading across the Nordic and Baltic markets, which prompted regulators to question its preparedness and forced Sweden to postpone a bond auction. Trading went down on Wednesday morning across the region and didn’t start up after an “errant fire extinguisher system” caused “connectivity issues” …

Bloomberg Southwest Airlines Co. is stepping up inspections on its jet fleet after investigators said they discovered evidence of metal fatigue on an engine that exploded on April 17, sending shrapnel into the plane and killing a passenger seated near a window. The woman was partly sucked out of the plane carrying 149 people as it flew about 32,500 feet …

Bloomberg United Continental Holdings Inc. is pushing ahead with its aggressive growth plan as robust demand enables the airline to boost fares even as it expands the seat supply. Revenue for each seat flown a mile, a proxy for pricing power, will rise 1 percent to 3 percent in the second quarter, the No. 3 US carrier said in a …