But the US markets fell back in the last hour of trade, after fresh data showed a strong rise in consumer borrowing in March.
After French voters opted to replace president Nicolas Sarkozy with Socialist Francois Hollande and Greek voters booted the previous coalition government from power, European Union leaders expressed optimism that efforts to reduce budget deficits will remain in place even as efforts heighten to bolster growth in the region.
"This discussion is not whether we should pursue consolidation or growth, it's completely clear that we need both," German Chancellor Angela Merkel told reporters in Berlin today. "Rather, I think the core of the discussion is whether we again need debt-financed economic programs, or whether we need growth elements that are sustainable and oriented toward the economic strength of certain countries."
Meanwhile, positive data from Germany underpinned hopes that the EU's largest economy might remain more resilient than anticipated.
The nation's factory orders, adjusted for seasonal swings and inflation, rose 2.2 per cent in March, accelerating from a revised 0.6 per cent increase in February and surpassing the 0.5 per cent advance forecast by economists surveyed by Bloomberg.
Europe's Stoxx 600 Index ended the day with a 0.7 per cent advance for the session.
"The perception is that European governments are not going to do anything stupid," Paul Zemsky, the New York-based head of asset allocation for ING Investment Management, told Bloomberg News. "We're talking about changes on the margin. We're not talking about a wholesale change in fiscal policy. There was a big reaction to well telegraphed news. It's good to see a bounce from the lows."
Even so, the euro fell to US$1.2955, before last trading at US$1.3064 in afternoon trading in New York.
Some analysts are looking anxiously at key levels for the S&P 500 which was last trading at 1,372.71.
"The S&P 500 failed to hold above its 1,395 breakout point last week and will look to hold its April 1,360 low in the coming days to weeks," Ari Wald, a technical analyst at Brown Brothers Harriman, told Reuters. "A failure to hold 1,360 would confirm lower highs and lower lows for the first time since October."
Berkshire Hathaway has been adding to its shareholdings of two US companies in recent days, billionaire investor Warren Buffett said on Monday.
Buffett also forecast record results this year for Berkshire's largest non-insurance businesses among them the railroad BNSF and the utility MidAmerican, according to Reuters.