The decline is broad and among the few companies on OMXS30 that are gaining in the opening are the forest group SCA, which rises 0.6 percent, and Tele2, which is up 0.5 percent.
Most backing is the measurement technology company Hexagon, minus 1.2 percent, and the mining company Boliden, which backs just as much.
On the leading exchanges in Asia, trading has been cautious after Donald Trump's latest announcement that he will start announcing increased tariffs to countries that have not entered into new trade agreements with the US as early as Friday.
The Tokyo Nikkei 225 index is up 0.1 percent in the morning, while the Hong Kong Hang Seng index is backing 0.6 percent.
The US exchanges closed on a plus on Thursday, encouraged by better job figures than expected. The broad S&P500 index rose 0.8 percent, Nasdaq's composite index closed on a plus 1.0 percent, and Dow Jones went up 0.8 percent.
Today, July 4, the US exchanges are closed to celebrate the country's Independence Day.
