The decline was broad, with only eight of the 30 most traded stocks in the red.
Defense group Saab led the rise, up 4.4 percent. At the other end of the scale, pharmaceutical company AstraZeneca fell sharply, down 2.7 percent.
Real estate companies Wihlborgs and Fabege rose 3.5 and 0.8 percent respectively after quarterly reports of increased rental income and higher operating surpluses - despite unusually high vacancy rates.
The price of North Sea oil fell marginally to $72.10 per barrel, while the dollar rate rose a few cents to SEK 9.65.
At the close in Stockholm, the London and Paris stock exchanges had fallen while Frankfurt was up. In New York, two of the three major indexes were up.
Stockholm has risen 6.9 percent since the turn of the year.
