The Stockholm Stock Exchange climbed during Wednesday's trading session, buoyed by gains on other European and U.S. markets. During the day, the OMXS30 index reached a new all-time high, touching just above 3,170 points.

At the close, the OMXS30 index was up 1.15 percent at 3,166.11. Shares worth approximately 23.8 billion kronor were traded on the Stockholm Stock Exchange.

Among the major industrial sectors on the exchange, technology performed best, rising 2.02 percent. At the other end of the spectrum, real estate lagged behind, falling 1.65 percent.

Among the leading stocks included in the OMXS30 index, Boliden rose 4.6 percent while Saab B was up 4.2 percent. The worst performer was H&M B, down 2.3 percent, while Nibe B fell 1.5 percent.

Real estate company Castellum scrapped its dividend, and the stock dropped 2.9 percent. The company is expected to launch a share buyback program. The management result came in lower than expected, at 1,132 million kronor.

Just before lunch, Lundbergs released its figures. The dividend was increased to 4.90 kronor per share. As of February 16, the net asset value per share stood at 618 kronor. The stock fell 0.6 percent.

Research company Bioarctic surprised with an operating profit of 33.2 million kronor. The market had expected a loss. A dividend of 2.00 kronor per share has been proposed. Bioarctic surged 12.4 percent.

Pharmaceutical company Sobi presented a new ambition at its capital markets day: to reach 55 billion kronor in revenue by 2030, which would double current levels, as well as an adjusted EBITA margin at the upper end of the 30 percent range. Sobi climbed 2.5 percent.

Labeling company Pricer announced it will continue as a partner to Carrefour but will lose exclusivity for digital shelf-edge labels in France. In 2025, sales to Carrefour accounted for less than 10 percent of Pricer's total revenue and a mid-single-digit percentage of gross profit, while the impact on gross profit in 2026 is expected to be a low single-digit percentage. The stock fell 10.1 percent.

Hotel operator Scandic Hotels saw its average occupancy rate rise to 60.8 percent in Q4, while average revenue per available room (RevPAR) increased to 773 kronor. Adjusted EBITA declined year-on-year and the dividend remained unchanged at 2.60 kronor per share. Scandic Hotels fell 8.5 percent.

Sportsbook provider Kambi dropped 1.7 percent. Operating profit fell nearly 11 percent to 4.1 million euros.

Investment company Concejo proposed a dividend of 1.00 kronor per share. Concejo fell 3.3 percent.

Biotech company Bico's adjusted EBITDA more than halved to 56.2 million kronor in Q4. Organic growth was negative at 3.7 percent. The stock soared 12.9 percent.

Installation company Bravida jumped 10.3 percent after announcing a slightly higher dividend of 3.80 kronor per share.

Several recommendation changes appeared in the news flow.

H&M fell 2.3 percent after DNB Carnegie downgraded the stock to sell from hold.

Truecaller rose 3.2 percent after both Nordea and ABG downgraded the stock to hold.

Sinch surged 8.4 percent after Nordea downgraded to hold. SEB upgraded to buy from hold.