It would mark a turnaround after prices fell earlier this week amid higher energy prices, concerns about the French economy and fears that the wave of AI investment has created a financial bubble that could burst.
The reporting season is in full swing, with reports from major bank Handelsbanken and ball-bearing manufacturer SKF, among others, due before the stock market opens.
Elon Musk's AI and space company SpaceX beat expectations in a quarterly report on Tuesday evening local time in Sweden, boosting investors’ risk appetite. Reports are expected overnight from electric car giant Tesla and Facebook owner Meta.
The price of North Sea oil (Brent) rose 1.2 percent to just over $110 a barrel.
The OMXS index fell 0.6 percent on Tuesday, bringing its rise since the start of the year to 7.4 percent.