France's presidential candidates are pushing their rival worldviews, as far-right Marine Le Pen calls the euro currency "dead" and centrist Emmanuel Macron visits a Holocaust memorial and calls for political unity.
Ms Le Pen's efforts to clean up her National Front party's anti-Semitic image could be undermined by a parallel Paris event by her father, Jean-Marie, who was expelled from the party over his extreme views.
Mr Macron, a 39-year-old former economy minister, now has the support of 59.5 per cent of voters, compared with 40.5 per cent for Ms Le Pen, according to Bloomberg's composite of French polls.
The poll is also seen as a bellwether of populism's global appeal. Sunday was France's national day of remembrance for the French Jews who were deported to Nazi Germany during World War II.
Emmanuel Macron, as a former minister under the current and highly unpopular president Francois Hollande, has demonstrated his hostility to the working class by pushing for "reforms" that would roll back the rights of labor and line the pockets of French capitalists. In other recent elections in Europe, populist candidates such as Norbert Hofer in Austria and Geert Wilders in the Netherlands ultimately lost because their rising popularity in polls prompted a last-minute surge in electoral activism to defeat them.
Macron hugged Said Bourram, who was 9 when his father was killed.
But Dupont-Aignan's switch to Le Pen split his party, "Stand up France", prompting the departure of a vice president, Dominique Jamet.
Yves and Lydie Carbon, who had travelled from the eastern French region of Aube, said Le Pen's anti-European Union stance was one of the reasons they voted for her.
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Le Pen developed her flair for sharp putdowns as a state-appointed lawyer defending illegal immigrants facing deportation.
Meanwhile, Jean-François Jalkh - the man she named as interim president of the FN while she campaigned - was forced to step down on Tuesday amid claims he had questioned the reality of Nazi gas chambers, which is a crime under French law.
Unlike a factory visit last week when Le Pen upstaged Macron and took selfies with workers, however, Le Pen's visit Sunday to the Alteo plant in the town of Gardanne appeared to fall flat. "For the Front National, that's the right". The result showed this prediction to be correct with Macron bagging 24.1 per cent, Marine Le Pen 21.30 per cent, Francois Fillon 20.01 per cent and Jean Melenchon 19.58 per cent of the vote. The hard-left firebrand urged his supporters not to vote for Le Pen.
Macron also won a key endorsement from Airbus CEO Tom Enders, who wrote to him in a note carried by the daily L'Opinion: "The excitement you have created is fully merited".
"Electing Emmanuel Macron, a junior, immature and troubled version of Francois Hollande, would mean locking up France definitively in the European Union jail", Dupont-Aignan, the leader of a small nationalist, right-wing party who struck an alliance with Le Pen last week, told an FN rally.
Marine Le Pen said on France-2 television Sunday night that the political rupture with her father "is definitive". As the PES wrote in its statement "No to Macron and Le Pen!"
Dupont-Aignan, a conservative who considers himself a "Gaullist" after French Gen.