At 09:35, the OMXS30 index was up 2.05 percent at 2,960.85, while the broader OMXSPI index had increased by 1.85 percent to 1,065.57.
Astra Zeneca and Atlas Copco are leading the gains among the heavyweights in the OMXS30 index.
Munters is seeing a sharp decline following a statement from Nvidia CEO Jensen Huang. At the CES trade show, Huang said the company's upcoming Rubin chip can be cooled with water at temperatures that do not require traditional cooling units.
| Company | Change | Comment |
| Orrön Energy | 11.5 % | Granted grid access for six projects in the UK, as well as regulatory approval for three projects in Germany |
| Vicore Pharma | 11.0 % | Cantor Fitzgerald initiates coverage with overweight and a target price of 33 kronor |
| Astra Zeneca | 5.4 % | Reports positive results in phase 3 study with Saphnelo |
| Bioarctic | 5.3 % | Has submitted an application for subcutaneous treatment with Leqembi in China |
| Atlas Copco | 4.7 % | Bernstein upgrades to outperform (market perform), target price 200 kronor |
| Traton | 3.1 % | Order intake of heavy trucks in North America rose 16 percent in December, according to ACT |
| Volvo | 2.4 % | Order intake of heavy trucks in North America rose 16 percent in December, according to ACT |
| Skanska | 2.3 % | Sells self-developed project in Copenhagen for 890 million kronor |
| Lucara Diamond | 0.9 % | Underground expansion of the Karowe mine in Botswana expected to cost 779 million dollars |
| ABB | 0.5 % | Bernstein upgrades to market perform (underperform) |
| Volvo Cars | -2.1 % | Global sales rose by 2 percent in December, sell recommendation from Citi |
| Munters | -6.7 % | Share price drops after Nvidia signaled that next-generation data centers could operate without water cooling |
