Bloomberg United Parcel Service Inc.’s shares dropped after the package giant agreed to purchase freighter jets valued at $5.3 billion to continue its international expansion. Delivery of the 14 Boeing Co. 747-8 jumbos will begin next year, the Atlanta-based courier said in a statement. The planes will be used in international markets and allow the courier to bring smaller …

  Bloomberg Southwest Airlines Co. fell the most in three months and pulled down other carriers after reporting that a key revenue measure may tumble this quarter, raising doubts about a possible recovery in pricing power. Revenue from each seat flown a mile will decline as much as 5 percent in the last three months of the year after dropping …

  Bloomberg Interjet, Mexico’s third-biggest carrier, is in talks to sell an equity stake to American Airlines Group Inc. or United Continental Holdings Inc., said Chairman Miguel Aleman Velasco. Aleman Velasco declined to say how large a stake is for sale or what price it might fetch. No agreement has been reached, he told reporters Thursday in Mexico City. “We’re …