Nancy's impressive start was ended by Le Mans, while Paris St Germain continue to impress after victory over Valenciennes.
Lyon climbed to the top of the table after victory over Auxerre, as Montpellier claimed their first victory back in Ligue 1 after seeing off Sochaux.
Sorry St Etienne were overcome by 10-man Boulogne, Monaco defeated Lorient 2-0 and Rennes shared the points with Marseille.
Nancy's flying start to the Ligue 1 campaign ended with defeat to Le Mans at the Stade Omnisports Leon-Bollee.
The Lorraine club went into this match top of the league after scoring seven goals in wins against Valenciennes and then Monaco.
However, they went down to goals from Thorstein Helstad and Anthony Le Tallec, with Damian Macaluso's late strike coming too late to trigger a rally for a point.
Paris St Germain continued their impressive opening with their first win at Valenciennes since 1977.
Peggy Luyindula, Mevlud Erding and Christophe Jallet were on the scoresheet in a highly entertaining encounter which saw the capital giants take a deserved three points.
Valenciennes had pulled one back after going 2-0 down when Siaka Tiene's free-kick in the 59th minute sailed into the net and ensured a tense finish when Rudy Mater fired home a stunning drive.
Lyon moved to the summit of the fledgling Ligue 1 table after cruising to a 3-0 success away to struggling Auxerre, who remain pointless and goalless.
Former Newcastle and Rangers defender Jean-Alain Boumsong opened the scoring on the half hour, with Jean Makoun on target just before the interval and Miralem Pjanic adding a third.
Newly-promoted Montpellier recorded their first win back in Ligue 1 after sinking Sochaux at Stade de la Mosson.
Rene Girard's southerners, unbeaten heading into the match after drawing against Paris St Germain and Lorient, picked up the points courtesy of goals from Alberto Costa (penalty) and Karim Ait-Fana inside the last half hour.
St Etienne's dismal start continued as 10-man Boulogne subjected them to their third consecutive defeat.
Alexandre Cuvillier scored the only goal of the game eight minutes before half-time, giving promoted Boulogne their second win of the campaign.
The visitors then had Guillaume Ducatel sent off after 70 minutes but St Etienne could not take advantage, despite three times hitting the woodwork.
Monaco triumphed 2-0 against Lorient at Stade Louis II thanks to goals before the interval from Frederic Nimani and Nene.
Nimani broke the deadlock in the 21st minute when he bundled home from close range following a corner before Nene's free-kick flew into the top corner 12 minutes before the interval.
Marseille hit back from a goal down away from home to claim a point from their clash with fellow unbeaten side Rennes.
Jerome Leroy put the hosts in front from the penalty spot in the 37th minute after Souleymane Diawara was penalised for handball, but Mamadou Niang levelled soon after the interval after Benoit Cheyrou's cross.