Leave it to a couple of Mexican cement and metals companies to expose Donald Trump’s calumnies about the relatively buoyant American economy, its resurgent workers and the advantages of free trade. Trump overwhelmed 16 rivals in the Republican presidential primaries by vowing to build a wall across the southern border and scored his best debating points against Hillary Clinton …

  Airbnb Inc. is all about progress and efficiency and win-win economic outcomes, right? Underused real estate is transformed into lodging for visitors. The owners of the real estate gain, the visitors gain, the local economy gains and Airbnb’s shareholders gain. Sure, hotel owners and employees have some reason to gripe as they lose business to largely unregulated competitors. But …

  Bloomberg The growing list of OPEC members seeking exemptions from a planned supply cut has investors seeing future price drops. Money managers increased bets on lower West Texas Intermediate oil for the first time in five weeks as Iraq joined Iran, Nigeria and Libya in seeking to be excluded from OPEC’s first agreement to reduce output in eight years. …