The same trend is visible on leading European stock exchanges.
Among the heavyweights in Stockholm, mining group Boliden and telecom manufacturer Ericsson rose 2.3 and 2.1 percent, respectively.
The development follows Wall Street's shaking off the worst concerns about the effects of the Iran war on Wednesday, with a decline of 0.3 percent for the S&P 500 index.
Oil prices are retreating from Wednesday's peaks - down 0.3 percent to $77.80 per barrel for North Sea oil (Brent) - despite another night of US bombing of targets in Iran, Iranian attacks on targets in neighboring countries around the Persian Gulf and a virtual blockade of ships through the Strait of Hormuz.
The Stockholm Stock Exchange fell 2.1 percent on Wednesday, reducing the rise since the turn of the year to 3.8 percent.
