The Stockholm stock exchange closed Friday with gains, mirroring the trend seen on leading European markets. In the news flow, Viaplay climbed on a new deal with Telia, and mining companies continued to perform strongly.

At the close, the OMXS30 index was up 0.55 percent at 3,222.75. Shares worth approximately 35.2 billion kronor were traded on the Stockholm exchange.

Among the exchange's major industrial sectors, telecom performed best with a rise of 2.2 percent. At the other end of the spectrum, consumer discretionary stocks lagged behind, falling 0.6 percent.

Among the leading stocks included in the OMXS30 index, Ericsson B rose 2.9 percent, while Boliden was up 2.5 percent. The weakest performers were SEB A, down 1.6 percent, and EQT, which dropped 1.5 percent.

Streaming company Viaplay surged on the exchange after signing a multi-year agreement with telecom operator Telia. Telia rose 1.3 percent, while Viaplay jumped 9.8 percent.

Swedish mining companies Lundin Mining and Boliden continued their upward trend. Lundin Mining climbed 4 percent. Copper prices are now rising amid hopes of increased demand following the reopening in China after the New Year celebrations.

Telecom operator Tele2 has completed the separation of its telecom infrastructure and formed Baltic Tower Company with Global Communications Infrastructure, backed by Manulife Investment Management. The company, based in Lithuania, owns around 2,700 tower and rooftop facilities in Estonia, Latvia, and Lithuania. Tele2 will receive approximately 430 million euros in net proceeds. The deal is expected to impact underlying ebitdaal by about 35 million euros over the next twelve months. Tele2's share rose 1.1 percent.

Technology trading company OEM International has signed an agreement to acquire all shares in Ronnie Bergdahls Försäljnings. The Linköping-based company is a distributor of lighting and emergency lighting products in the Nordics, has 17 employees, and annual sales of about 50 million kronor. OEM's share increased by 2 percent.

Swedish major banks SEB, Handelsbanken, and Swedbank declined after the Financial Supervisory Authority raised their capital requirements to 14.82 percent. SHB fell 0.7 percent and Swedbank dropped 0.6 percent.

Consumer products company Duni is acquiring all shares in Solserv Solutions & Services Europe, active in composting solutions and industrial packaging machines. The share fell 1.3 percent.

Environmental technology company Scandinavian Enviro reported decreased revenue in the fourth quarter compared to the same period last year. The operating loss increased sharply to -188.3 million kronor due to write-downs. The company has also applied for corporate restructuring. The share plunged 46.3 percent.

Construction company Skanska has signed an agreement with Helsinki University Properties to renovate laboratory facilities in Helsinki, valued at 28 million euros, equivalent to 300 million kronor. The order will be booked in the first quarter of 2026. The share rose 0.8 percent.

In today's analyses, Aktiespararna recommends buying Thule with a target price of 285 kronor. The share closed roughly unchanged.

Affärsvärlden gives a buy recommendation for probiotic company Biogaia, which rose 4.1 percent.