AIK handed Swedish league leader Helsingborg its first defeat of the season Monday after coming from behind to win 2-1.
Ibrahim Bangura and Robert Ahman Persson scored for AIK after Christoffer Andersson gave the visitors the lead. Helsingborg's lead over second-place Kalmar is down to one point.
Also Monday, Trelleborg scored three times in seven minutes to secure a 3-0 win over Elfsborg.
On Sunday, defending champion Malmo FF fought back to beat Orebro 2-1 with two second-half strikes from Guillermo Molins, while IFK Goteborg fell behind twice before leveling 2-2 at Norrkoping.
Halmstad beat Mjallby 1-0 on Saturday to clinch its first win of the season. Kalmar also won while Gefle-Djurgarden ended in a scoreless draw.