The Stockholm Stock Exchange showed strength on Tuesday and closed with clear gains that were close to the day's high. New information about progress toward a peace agreement in Ukraine fueled optimism. The third-quarter reporting season ends this week, and the focus is increasingly shifting to capital market days organized by several companies.

At the close, the OMXS30 index was up 1.20 percent to 2,758.16. Shares worth approximately SEK 20.1 billion were traded on the Stockholm Stock Exchange.

The best performer among the stock market's major industrial sectors was industry, with an increase of 1.57 percent. At the other end of the scale, energy was at the bottom with a decline of 0.07 percent.

Among the leading stocks included in the OMXS30 index, Volvo B rose 2.8 percent, while Skanska B was up 2.3 percent. H&M B performed the worst, down 0.7 percent, while ABB was down 0.3 percent.

Among the aforementioned capital market days, elevator company Alimak held its on Tuesday. The company announced new targets of average annual revenue growth of 8-12 percent and an adjusted EBITA margin of 20 percent by 2028. Alimak climbed 1 percent.

Technology company Tietoevry also held a capital markets day where new targets for 2026-2028 were presented. Tietoevry aims to achieve annual revenue growth of over 5 percent in 2027-2028 and an adjusted EBITA margin of over 16 percent by 2028. In addition, it will work to reduce its net debt in relation to EBITDA to less than 2 times. The share fell 1.6 percent.

Among the few remaining reporting companies, Lundbergs presented its figures. The net asset value per share was SEK 564 on November 21. The net asset value thus remained at the same level as at the end of August. The share fell 1 percent.

Construction company Skanska rose 2.3 percent after announcing a contract to build a data center in the US for around SEK 2.5 billion.

Demand for defense company Saab's products remains high. The company announced a new order worth SEK 2.1 billion from FMV. The share was also affected by reports of progress in the peace negotiations for the war in Ukraine and rose 1.3 percent.

Mining companies Boliden and Lundin Mining rose 1.4 and 0.5 percent, respectively, on higher prices for copper and iron ore.

Revolution Race initiated a buyback program of up to SEK 200 million. The share climbed 2 percent.

Live casino developer Evolution rose 0.1 percent after announcing that it was extending its merger agreement with US-based Galaxy Gaming. Elsewhere, Jefferies lowered its recommendation to hold from buy.

Sivers Semiconductors rose 9.3 percent. The technology company announced a new agreement with South Korean Doosan worth USD 1.5 million. The company also canceled the extraordinary general meeting that was planned for December 15 after Achilles Capital withdrew its request.

Alligator Bioscience fell 22.5 percent. The biotechnology company set the terms for its rights issue of SEK 123 million.

Several new analyst recommendations were noted in the news flow. SEB raised Volvo to buy from hold. The B share rose 2.8 percent.

JP Morgan Chase downgraded Hemnet to underweight from neutral. Hemnet fell 4.7 percent.

DNB Carnegie raised Storytel to buy from hold. Storytel rose 4.3 percent.