Among the stock activity stories for Friday, July 26, from AP Business News:
— Shares of Halliburton Co. rose after the company agreed to settle a federal investigation into allegations it destroyed evidence connected to the 2010 Gulf oil spill and said it will buy back more than $3 billion in stock.
— Shares of Tesla Motors Inc. rose after an analyst upgraded the stock, saying the electric car maker "has taken a very large step ahead of the competition."
— Shares in Tempur Sealy International Inc. fell, a day after the mattress company posted a quarterly loss and cut its outlook for the year on weak North America sales.
— Shares of Southwest Airlines Co. slipped while other airlines gained after federal investigators said a Southwest jet that skidded off a runway this week landed nose-down — a violation of the airline's own procedures. Raymond James also downgraded Southwest's stock.