Bloomberg The sadness of some is the happiness of others. The Brazilian saying seems to apply perfectly to the current scenario for airlines that operate in the South American country. Oceanair Linhas Aereas Ltda, which operates under the Avianca Brasil brand, filed for judicial recovery in December, and Gol Linhas Aereas Inteligentes SA is the best-performing stock in the Ibovespa …

Bloomberg The US Federal Aviation Administration gave its approval to Vietnam’s air-safety system, which will allow the Southeast Asian country’s airlines to fly to the US as it seeks to bolster tourism. Vietnam’s national carrier is planning flights to California. The FAA gave Vietnam a Category 1 rating, meaning US reviewers found that the country adheres to United Nations standards …

Bloomberg So much for a merry Christmas. That is, if you trust the numbers. Commerce Department figures show US retail sales fell 1.2 percent in December from the previous month, the most since 2009, rather than the slight increase economists had forecast. Even more confusing: There was a pullback in a measure based largely on internet sales, which had been …