On a positive note, US companies hired more workers than expected last month. The ADP National Employment Report showed that the economy's private sector added 110,000 jobs in October, exceeding economists' forecasts for an additional 101,000 jobs. ADP also boosted September's job additions, to a gain of 116,000 from the previously reported 91,000.
In afternoon trading in New York, the Dow Jones Industrial Average gained 0.80 per cent, the Standard & Poor's 500 Index rose 0.96 per cent and the Nasdaq Composite Index climbed 0.45 per cent.
In Europe, the Stoxx 600 Index closed with a 0.9 per cent gain for the session.
Even so, gains were limited as a resolution for the European Union's sovereign debt crisis was thrown into fresh doubt by Greece's unexpected plans for a referendum.
"After yesterday's sell-off, some bounce was expected, but we think there are a lot of hurdles for the euro to clear and given the risk events, we do not see it rallying much," Adam Myers, senior currency strategist at Credit Agricole in London, told Reuters.
The patience of Germany's Angela Merkel and France's Nicolas Sarkozy is running out as the leaders demanded that Greece's George Papandreou and his government make up their mind soon as to whether Greece wants to remain in the euro zone.
An emergency meeting later today before the start of a G20 summit of major world economies comes as European leaders are still flabbergasted by Papandreou's call for a referendum on the country's most recent rescue package, agreed upon only last week.
Greece's cabinet unanimously backed Papandreou's plans today.
"The prospects of Greece leaving the euro have grown and investors are positioning for more bad news from politicians," Henrik Drusebjerg, senior strategist at Nordea Bank AB in Copenhagen, told Bloomberg News.
"The other euro countries can't sit around and wait until the Greeks are done with the referendum. Papandreou may be told today that the other 16 countries will go ahead with plans to bolster the euro area with or without Greece."
Despite the pressure, Papandreou has stuck to his plans for the referendum which he expects to solidify Greece's commitment to euro zone membership.
"The referendum will be a clear mandate and strong message within and outside Greece on our European course and our participation in the euro," Papandreou told his ministers in Athens early today, Bloomberg reported, citing an emailed transcript. It will "ensure this course in the most decisive way."
The euro gained 0.8 per cent to US$1.3807, and advanced 0.4 per cent to 107.66 yen.
The greenback dropped 0.35 per cent against a basket of its major counterparts.