Bloomberg Actelion Ltd. said that Johnson & Johnson has approached it about a potential takeover of the $17 billion Swiss drugmaker, as the US health-care giant works to expand its pharmaceutical lineup. Actelion confirmed the approach in a statement and said it’s not certain that a deal will happen. Actelion is working with an adviser to explore options, and …

  Lowering the corporate tax rate appears to be all the rage. Donald Trump has promised a cut to 15 percent from 35 percent in the U.S., and British Prime Minister Theresa May has pledged to make the U.K.’s corporate tax the lowest in the G-20, which would mean taking it lower than Trump intends to. On the surface, it …

  Facebook’s Mark Zuckerberg is willing to try just about anything to get his company back into China. Publicly, he launched a charm offensive that included learning Mandarin and offering Chinese President Xi Jinping the chance to name his first child (he declined). Less publicly, but no less important, the New York Times reports that his company has developed tools …