Bloomberg Mexico’s biggest department-store operator became a dealmaker to jump start growth. Its second major purchase this summer is winning over investors who were startled by the first one. El Puerto de Liverpool SAB posted the second-biggest returns among major Mexico companies since agreeing August 10 to buy the Suburbia clothing chain from Wal-Mart Stores Inc. in a deal valued …

  Bloomberg Airline miscues — such as the computer glitches that grounded hundreds of thousands of passengers this summer — are now the biggest cause of flight delays in the US Late arrivals triggered by mechanical breakdowns, a lack of flight crews and other factors attributed to the airlines were the largest category of delay last year for just the …

  Bloomberg Delta Air Lines Inc. offered its 13,000 pilots a raise of about 27 percent over four years, significantly less than what the employees have proposed in contract talks that have lingered since the beginning of the year. The carrier’s proposal was disclosed in a letter to pilots from John Malone, chairman of the Delta chapter of the Air …