The Stockholm Stock Exchange kicked off the period between Christmas and New Year with rising prices.

At the close, the OMXS30 index was up 0.51 percent at 2,863.64. Shares worth approximately 14.5 billion kronor were traded on the Stockholm Stock Exchange.

In the United States, prices started off lower.

The best-performing major industrial sector on the exchange was energy, which climbed 1.8 percent. At the other end of the spectrum, utilities lagged behind, dropping by 1.4 percent.

Among the leading stocks included in the OMXS30 index, Nibe rose by 2.0 percent while EQT was up 1.8 percent. The weakest performer was Saab, which fell by 1 percent, while Nordea slipped 0.5 percent.

Swedish defense stocks were down due to the summit on the Ukraine conflict, where President Trump expressed optimism about an imminent peace agreement. Alongside Saab, Mildef dropped 3.7 percent and Astor fell by 5.9 percent.

Monday's big winner on Nasdaq Stockholm was entertainment company Moment Group, which agreed to sell its entire 18.7 percent stake in Tickster for about 63 million kronor. The deal is described as part of a focus on core business and strengthening the balance sheet. The share closed up 31.4 percent at 6.20 kronor.

Concejo's share was another winner. The investment company is selling its 71.3 percent stake in the Norwegian portfolio company Det-Tronics. The purchase price is 190 million kronor on a cash and debt-free basis. The share rose 19.3 percent to 48.30 kronor.

In analyst coverage, SB1 Markets was active in initiating coverage of Swedish banks. A neutral recommendation was set for Nordea, Swedbank, Handelsbanken, and SEB. All shares saw only minor movements on Monday. In the sector, Arion Bank rose 3.9 percent after announcing plans to buy back shares for up to 5 billion Icelandic kronor in Sweden and Iceland.

Bonesupport climbed 4.5 percent after DNB Carnegie reiterated its positive view of the medical technology company, saying the valuation appears attractive given its growth potential.

DNB Carnegie is also positive on biotechnology company Biogaia, raising the target price to 140 kronor (from 130) with a reiterated buy recommendation. The share rose 2.8 percent.

Micro-machine producer Acuvi was one of the day's biggest losers after the company released preliminary financial figures for 2025. Revenues are estimated to have increased by 15 percent to around 202 million kronor. However, the company announced that it will not meet the previously communicated EBITDA forecast for the year of 52-55 million kronor, but provided no further guidance on the result. Acuvi plunged 18.5 percent. Affärsvärlden reiterated its position to stay on the sidelines.

Grangex has entered into a strategic agreement with mining giant Anglo American for the restart of operations at the Sydvaranger mine near Kirkenes in northern Norway. The agreement is described as a key milestone and means, among other things, that Anglo American waives royalties of 37 million dollars in exchange for an exclusive 100 percent offtake agreement for the life of the mine. Grangex surged 13.5 percent.