On the OMXS30 list of the most traded stocks, engineering company SKF, which fell 3 percent, was the second-worst performer after a sell signal from major US bank Goldman Sachs.
Pharmaceutical company AstraZeneca fell 3.7 percent.
At the top of the index is clothing giant H&M, up 1.1 percent.
Pulp manufacturer Rottneros fell 15 percent after a profit warning.
US President Donald Trump is threatening import tariffs on European goods if he does not get his way regarding Greenland and his so-called peace council, and the EU is rumbling about countermeasures.
The stock exchanges in Frankfurt, London and Paris are also falling - as is New York.
Government bond yields are rising around the world.
The US dollar is weakening; one US dollar now costs 9.12 Swedish kronor.
