The Stockholm Stock Exchange is trading slightly higher at midday on the first trading day of the week. Monday's performance mirrors that of leading European bourses. While the US has announced new tariffs against European automakers, the primary focus remains on the takeover bid for Nilörn.

According to Iran, a US warship was struck by missiles in the Strait of Hormuz after ignoring Iranian warnings. The news caused the Stockholm Stock Exchange to dip, before recovering somewhat following a US denial.

At around 1:00 PM, the OMXS30 index was up 0.27 percent at 3,068.68. Shares worth approximately SEK 11.3 billion had changed hands on the Stockholm Stock Exchange.

Technology was the best-performing major industrial sector, rising 1.3 percent. At the other end of the spectrum, real estate lagged, falling 1.1 percent.

Among the leading shares included in the OMXS30 index, Nibe B rose 9.9 percent while EQT gained 3.4 percent. Evolution saw the weakest performance, down 1.9 percent, while Industrivärden C fell 1.6 percent.

Defense company Saab may be heading toward one of its largest deals ever, involving up to 150 Gripen fighter jets for Ukraine. CEO Micael Johansson stated this on the SVT program 'Alex möter' with Alexander Norén. A deal could reportedly be finalized within a few months. The stock was up 0.7 percent.

Construction firm Skanska has signed an agreement with atNorth to expand a data center in Espoo, Finland, with a contract value of SEK 1.1 billion. Skanska has also secured an order for the Hudson Tunnel Project in New York, worth SEK 3.4 billion to the company. The stock increased 0.8 percent.

Trimco Group has launched a takeover bid for all shares in label manufacturer Nilörn at SEK 77 per share. This represents a bid premium of 53 percent compared to the last closing price. The board recommends that shareholders accept the offer. The stock surged 49.4 percent.

Polymer company Hexpol saw its first-quarter operating profit decrease more than expected to SEK 701 million. Revenue was in line with expectations. The stock rose 1.5 percent.

The board of gambling supplier Hacksaw has decided to dismiss President and CEO Christoffer Källberg from his position. Board member Ana Vrabic Verdir assumes the role of acting CEO. Hacksaw has initiated a comprehensive recruitment process to appoint a permanent CEO. The announcement came after Thursday's close. The stock fell 8.3 percent.

Cybersecurity firm Yubico and AI company OpenAI are entering into a long-term partnership regarding hardware-based authentication. OpenAI users can now purchase specially designed security keys to protect their accounts against phishing attacks. The stock rose 16.8 percent.

Poultry company Scandi Standard has acquired Danbroiler, which has a turnover of SEK 86 million and a capacity of 3.5 million chickens per year. The stock fell 0.7 percent.

Investment company Ratos' adjusted EBITA for the first quarter of 2026 came in higher than analyst expectations. Revenue was in line with consensus. The stock fell 0.6 percent.

Real estate company Stendörren reported a solid increase in rental income and profit from property management in the first quarter compared to the same period last year. The stock retreated 1.8 percent.

Automaker Volvo Cars was down 0.6 percent.

On the analysis front, Handelsbanken has upgraded Camurus to 'buy' from 'hold', raising the target price to SEK 700 from SEK 600. The stock rose 3.1 percent.

Pareto has upgraded its recommendation for Paradox to 'buy' from 'hold'. The stock rose 2.5 percent.

Dagens Industri recommends a 'buy' for lock company Assa Abloy in its 'Stock of the Week' column. The stock was up 1.1 percent.