The Stockholm Stock Exchange closed the week with gains on Friday, building on Thursday's positive momentum. The OMXS30 index set a new all-time high earlier in the day. Meanwhile, international markets saw Frankfurt and New York rise, Paris trade unevenly, and London decline.

At the closing bell, the OMXS30 index was up 0.46 percent at 2,826.62. Trading volume on the Stockholm Stock Exchange amounted to approximately SEK 17.2 billion.

Among the major industrial sectors, energy and finance led the way with increases of 0.6 percent. In contrast, technology lagged behind, dropping 0.7 percent.

Within the leading OMXS30 stocks, Volvo B advanced 2.8 percent, while Saab B climbed 2.3 percent. Addtech B performed the worst, falling 1.3 percent, with Boliden down 0.9 percent.

Mining company Boliden issued guidance for 2026, projecting investments to reach SEK 15 billion, compared to the previously announced SEK 15.5 billion for the current year. The company also provided guidance on metal grades. The result for the ongoing fourth quarter will be positively affected by a one-time item.

Major shareholder Melker Schörling purchased shares in AAK, a producer of plant-based specialty ingredients, for SEK 200 million. Melker Schörling remains the largest shareholder with just over 30 percent of AAK's shares. The stock rose 1.5 percent.

Norwegian investment company Ferd sold 3.5 million shares in e-commerce firm Boozt. The stake represents 5.3 percent of Boozt's capital. The shares were sold at SEK 105 each, a 7.3 percent discount to Thursday's closing price. The stock fell 6.7 percent.

Real estate platform Hemnet is introducing a new model where the advertiser pays only once the property is sold. With this change, Hemnet and its clients share a common interest: ensuring the ad results in a transaction. Business daily Dagens industri considers the stock a buy after the change. The share climbed 7.1 percent.

Diagnostics firm Boule Diagnostics announced that CEO Torben Nielsen will step down. He will remain in his role for up to six months while a successor is recruited. The stock dropped 8.8 percent.

Defense company Saab rose after Bank of America upgraded its recommendation two notches to buy, from underperform.

Truck and bus manufacturer Volvo gained after Citi upgraded its rating to buy, from hold.

Forestry company SCA slipped 0.5 percent after JP Morgan downgraded its rating to neutral, from overweight.

Investment company Latour lost 3.7 percent following a sell recommendation from ABG Sundal Collier.

Industrial trading company Bufab increased 4.4 percent after Handelsbanken upgraded its rating to buy, from hold.

Technology trading company OEM International fell 4.9 percent after Handelsbanken dropped its buy recommendation and lowered it to hold.

Kepler Cheuvreux upgraded its rating for real estate company Sagax to buy, from hold. The stock rose 0.6 percent.