Bloomberg President Donald Trump has signed a tax overhaul and companies are rejoicing. But the most immediate effect of the new law could be a one-time accounting headache. Hours after the bill signing, announcements started to roll in from some of the world’s biggest companies— with some spectacular numbers. While the bill benefits most companies through a lower rate, it ...

Bloomberg Roche Holding AG agreed to acquire US biotech Ignyta Inc. for $1.7 billion, following Bayer AG in buying into a class of experimental cancer drugs that home in on a specific mutation across many types of tumors. Ignyta investors will get $27 a share in cash, the companies said in a statement. Both companies’ boards agreed to the deal. ...

Bloomberg Daimler AG bought a majority stake in French private-hire limousine operator Chauffeur Prive, accelerating the luxury-car maker’s expansion into ride-hailing turf occupied by firms such as Uber Technologies Inc. The German maker of Mercedes and Smart automobiles plans to acquire full control of Chauffeur Prive in 2019 once it gets regulatory clearances, Stuttgart-based Daimler said. The parties wouldn’t disclose ...