US debt deal agreed but may not save AAA credit rating
Markets experience volatile trading after news of a deal yet to be approved by Congress
America has moved away from the brink of a catastrophic default after a deal was reached overnight to raise its debt ceiling.
Stock markets around the world briefly rallied on Monday, in relief that the world's largest economy would probably avoid running out of cash this week. But the agreement, which includes around $2.5tn (£1.5tn) of spending cuts over the next decade, has been criticised on both sides of the political divide, and will probably not save America's triple-A credit rating..