PSG won to move level on points with second-placed Bordeaux and Le Havre close the gap at the foot of Ligue 1.
The Paris club – minus the suspended Mateja Kezman– were in rampant form with a 4-1 win at Nantes as the diminutive Ludovic Giuly scored twice with Peguy Luyindula and Stephane Sessegnon also netting for PSG. Djamel Abdoun scored the solitary goal for the hosts who slip to an eighth defeat of the campaign.
Toulouse move into fourth after goals from Moussa Sissoko [43] and Andre Pierre Cignac [79] downed Le Mans 2-0 at Stade Municipal.
Lille lept to fifth-place following an 88th-minute goal from Eden Hazard which secured a 3-2 win over Sochaux who remain in the bottom three. The visitors held a two-goal advantage courtesy of Roman Pitau [33] and a 41st-minute Vaclav Sverkos penalty before substitutes Pierre-Alain Frau [59] and Robert Vittek [74] levelled the proceedings ahead of Hazard's clincher.
Le Havre shocked Rennes with Amadou Alassane's solitary 90th-minute goal putting the bottom club four points adrift of 19th-placed Valenciennes.
Auxerre did their hopes of avoiding the drop no harm at all with a 2-0 win at Nancy with defender Cedric Hengbart [36] and Ireneusz Jelen [50] scoring.
St Etienne also made a move at the wrong end of the table with a dramatic 3-2 win over Caen. Ilan Dell’ingna scored a brace for the home team with Befatimbi Gomis also contributing a second-half goal. Caen – who are now 17th – took the lead through Fahid Benkhalfallah’s second-minute goal with Steve Savidan pulling a goal back with two minutes remaining for the losers.
Fabrice Abriel scored in the 59th-minute to earn a 1-1 draw for Lorient - their fourth in a row - against Monaco who led through a 22nd-minute strike from Yohan Mollo.