An Odoxa poll for Le Point magazine showed 23.5 percent of voters set to back centrist Macron in the April 23 first round, a fall of 2.5 percentage points in a week.
Macron was just half a point ahead of far-right National Front leader Le Pen, whose score was down 2 points.(…)
A second poll by Harris Interactive showed Macron on 24 percent, down two points in two weeks, just ahead of Le Pen on 23 percent, also down two points in two weeks.
Fillon was on 19 percent, up one point, but the big gainer was Melenchon who was up 4.5 points in two weeks to 18 percent.
The 65-year-old Melenchon, a skilled speaker backed by several small leftist groups, aims to take France out of NATO and overhaul the EU.