(Reuters) - Oil prices rose strongly again on Monday, tacking on a total of 11 percent over two straight sessions, as some investors bet that a bottom had formed to the seven-month long rout on the market even as others remained pessimistic. Benchmark Brent and U.S. oil...

(Reuters) - The White House issued a veto threat on Monday for a bill from the Republican-controlled U.S. House of Representatives bill that would repeal President Barack Obama's signature healthcare legislation, the Affordable Care Act, known as Obamacare.

(Reuters) - Stocks ended sharply higher on Monday after a late rally driven by hopes for a Greek debt deal and as energy shares bounced with oil prices. Greece's new government has proposed ending a standoff with its international creditors by swapping its outstanding debt for...

(Reuters) - Greek Prime Minister Alexis Tsipras on Monday said his left-wing government would make full use of a mandate for negotiations with European partners and ruled out seeking aid from  Russia . "We are in substantial negotiations with our partners in Europe and those...