Bloomberg US stocks edged higher as investors parsed a mixed bag of earnings and energy producers got a boost from rising oil prices. Treasuries fell. The S&P 500 Index gained for a third day, but technology shares were under pressure as IBM Corp. tumbled after posting weak results. Morgan Stanley’s record profit lifted bank shares. Oil surged about 2 percent …

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 …