Volvo Cars' shares collapsed after a weak financial report. At the close, the stock had fallen 22.5 percent.
Saab continued to decline, despite a higher dividend and an order intake that almost quintupled in the fourth quarter. The share fell 1.9 percent.
The best performers among the most traded stocks were ball bearing giant SKF, up 2.0 percent; lock-maker Assa Abloy, up 1.9 percent; and tissue company Essity, which increased 1.1 percent.
At the other end were the online casino company Evolution, which fell 6.1 percent, Handelsbanken, down 4.4 percent, and the mining company Boliden, down 4.2 percent.
Developments on the leading European stock exchanges were in line with Stockholm.
In early trading on Wall Street, where markets were down on Wednesday, they were also pointing lower on Thursday.
Corrected: In a previous version, the OMXS index was incorrect.
