US airlines rejoiced earlier this year when it was announced that commercial flights would resume to Cuba after more than a half century, with one executive at a major carrier calling it almost a “once-in-a-lifetime opportunity.” Yet as service begins this week to Havana, the long-awaited travel surge to the island is already in doubt. Citing weak demand, American …

  DUBAI / Reuters Most stock markets in the Gulf rose on Sunday as investors cheered a rally in crude oil prices, while foreign buyers continued to support Egypt’s index. Brent crude futures ended their best week in at least five years on Friday, settling at $54.46 a barrel following OPEC’s agreement to cut output to prop up prices. Saudi …

  Bloomberg Bond investors are weighing rising risks that smaller Chinese banks will fail against growing signs the government will do anything to avoid a financial meltdown. A lender called Guiyang Rural Commercial Bank Co. in the southwestern province of Guizhou sparked concern that risks among smaller lenders are spreading after its rating outlook was cut last month following a …