Bloomberg Walmart Inc has a hole to fill at its online unit, and whoever assumes the role faces a big challenge ahead. The company is searching for a new chief revenue officer for its US e-commerce business, who would work under online leader Marc Lore to help map out its battle plan against Amazon.com Inc, Target Corp and other rivals. …

Bloomberg Oil capped its best week since mid-June as Tropical Storm Barry gained strength, approaching refineries in Louisiana and leaving deserted offshore platforms on its path. Futures in New York gained 4.7 percent for the week after prices held above $60 a barrel for a third day. Forecast to make landfall as a hurricane early Saturday, Barry has already curbed …

Bloomberg Japan and South Korea bickered over the details of rival briefings about export-control talks on Saturday as the US backed away from a potential role as a mediator in a fight over history and trade between its two Asian allies. Officials at Japan’s Ministry of Economy, Trade and Industry held a press conference at which they denied an assertion …