A big day is coming for the faithful followers of the Oracle of Omaha. Warren Buffett’s annual letter is due out, and he’s expected to take up the long-simmering debate about active versus passive investing. Buffett has a somewhat complicated relationship with that debate. On the one hand, he is the most famous — and arguably the most successful …

  Bloomberg British Airways-owner IAG SA is looking at acquiring more long-range narrow-body planes in order to open up inter-continental routes where demand is insufficient to support bigger twin-aisle jets. IAG has already ordered seven LR variants of the Airbus Group SE A321neo for trans-Atlantic services at Irish unit Aer Lingus and is evaluating plans for a wider roll-out that …

  Bloomberg Business-jet shipments tumbled to a 12-year low last year because of slow economic growth and probably won’t rebound until 2018 when new models debut. Deliveries fell 7.9 percent last year to 661 from a year earlier, according to the General Aviation Manufacturers Association. Sales tumbled 16 percent to $18.4 billion as demand for higher-priced large and medium aircraft …