Among the biggest winners are the mining group Boliden and the Wallenberg Circle's venture capital firm EQT, up 2.2 percent each.
The market is characterized by a tense geopolitical situation in the Middle East after Iran's announcement on Monday that peace talks with the United States have been suspended, citing Israel's attacks on Lebanon.
But North Sea oil (Brent) eased slightly after a sharp rise on Monday, down 0.6 percent to $94.40 per barrel.
Wall Street on Monday saw strong gains in the technology sector. The S&P 500 index rose for the eighth consecutive day - its longest run in a year.
The OMXS index fell 1.6 percent on Monday. Since the beginning of the year, it has risen 4.1 percent.
