President Vladimir Putin called Turkey's downing of a Russian fighter jet "a stab in the back" carried out by the accomplices of terrorists.
Pershing Square Capital Management revealed Monday that it had boosted its stake in Valeant Pharmaceuticals.
After years of working to tighten budgets, European nations are now grappling with whether to boost defense expenditures.
Our live blog is tracking the latest developments in the hunt for the perpetrators of Friday's terror attacks in France.
The process for admitting refugees into the United States is much stricter than those applied to workers or tourists.
Russia and the United States may stand in the way of France calling on NATO to help defeat Islamic State terrorists.
Democratic front-runner Hillary Clinton said at Saturday's debate that "this cannot be an American fight," but her opponents disagreed.
President Barack Obama on Friday decried the attacks around Paris that left at least 35 people dead.
U.S. tech firms may have cause to celebrate the Trans-Pacific Partnership's language, but another major sector may be concerned.
U.S. inflation should rebound in 2016 as pressures related to the strong dollar and low energy prices fade, said Fed's Fischer.