Among the heavyweights, AB Volvo and Nibe Industrier are rising by 5.9 and 5.0 percent, respectively.
Prior to the stock market opening, steel manufacturer SSAB and forest company Stora Enso have reported quarterly figures. SSAB's report is falling by 7.0 percent, while Stora Enso's report is rising by 5.0 percent.
During the night's trading on Asian stock markets, it has been upwards, most of all on the Tokyo stock market which is rising by 3.5 percent.
It is also pointing upwards in futures trading prior to Wednesday's trading on Wall Street, which closed mixed on Tuesday.
The krona is strengthening against both the dollar and the euro and is approaching a three-year high. One dollar costs 9.51 kronor, while the euro is trading at 11.15 kronor.
The Stockholm stock market fell by 0.6 percent on Tuesday. With the price rise on Wednesday, the index is up 2.6 percent since the turn of the year.
The market, apart from tariffs, is also focusing a lot on Wednesday evening's reports on Wall Street where Google owner Alphabet and Elon Musk's Tesla will be presenting interim reports.
