SAN FRANCISCO / AP Facebook is updating its “trending” feature that highlights hot topics on its social networking site, part of its effort to root out the kind of fake news stories that critics contend helped Donald Trump become president. With the changes announced, Facebook’s trending list will consist of topics being covered by several publishers. Before, it focused …

  Bloomberg Johnson & Johnson agreed to buy Actelion Ltd. for $30 billion and spin off the Swiss drugmaker’s research and development operations, clinching its largest deal ever to become a leader in medicines for a rare type of high blood pressure. J&J, already the world’s biggest maker of health-care products, is fulfilling its goal of gaining a new drug …

  Bloomberg To convince investors to finance a pan-European war against Uber Technologies Inc., a French ride-hailing app 50 times smaller has a one-word pitch: profit. Chauffeur-Prive is near closing a 50-million-euro ($53 million) fundraising round to expand out of Paris into the rest of Europe, with the promise it can extend a five-year streak of growth while turning a …