Among the heavyweights, clothing chain H&M rose 1.6 percent after competitor Inditex presented an unexpectedly strong interim report.
However, the biggest gains among the OMXS30 shares were made by forestry company SCA and mining group Boliden, up 2.2 and 1.9 percent respectively.
Car manufacturer Volvo Cars is down 2.2 percent after reporting November sales, which fell 10 percent compared to November last year.
The upturn in the stock market comes after technology stocks lifted Wall Street in Tuesday trading, rebounding from Monday's price declines. The Tokyo stock market has been on the rise, while the Hong Kong and Shanghai stock markets are falling.
The krona is strengthening against both the dollar and the euro. One dollar costs 9.40 kronor, while the euro is trading at 10.94 kronor.
On Wednesday afternoon, November jobs figures from the US payrolls administration ADP and delayed industrial figures from the US will be released.
On Tuesday, the OMXS index closed down 0.3 percent for the day, contrary to price increases on leading European stock exchanges.
So far this year, the OMXS index has risen 6.6 percent.
