It is also pointing upwards in the futures market ahead of Thursday's stock market opening on Wall Street.
The market is assessing that the talks may have the potential to put an end to three years of Russian aggression against neighboring Ukraine. Signs of better prospects for China's economy are also contributing to the positive sentiment.
The effect is clear also on the currency market, where the dollar is weakening against all other major currencies in the world. One dollar costs 10.83 kronor – the strongest krona exchange rate since November last year.
On the commodity market, prices of oil and fossil gas are being pushed down.
Ahead of the stock market opening, among others, cloud service company Sinch has reported a better result than expected in a quarterly report. The stock is surging upwards by almost 15 percent.
However, for game developer Embracer, Thursday's interim report was not a pleasant read, according to the market. The stock is plummeting 14 percent.
On Wednesday, the OMXS index on the Stockholm Stock Exchange rose by 0.2 percent. With Thursday's increase, the index is up 9.2 percent since the turn of the year.
Correction: An earlier version contained an incorrect dollar exchange rate.
