The Stockholm Stock Exchange opened Tuesday's session on the front foot, gaining over one percent after the first hour of trading. However, these gains eroded toward the end of the day, leaving the market to close with only modest increases.

The intraday retreat was fueled by continued weakness on Wall Street, where rising market yields acted as a drag on sentiment. Investors also remained focused on the Middle East; news that Donald Trump had postponed a planned strike against Iran caused oil prices to soften slightly during the day.

At the close, the OMXS30 index was up 0.20 percent at 3,061.49. Adjusted for dividends, the OMXS30 rose 0.24 percent. Shares worth approximately SEK 23.8 billion changed hands on the Stockholm Stock Exchange.

Technology was the top performer among the major industrial sectors, climbing 3.1 percent. At the other end of the spectrum, energy lagged the market, falling 1.4 percent.

Among the blue-chip stocks in the OMXS30 index, Evolution surged 7.3 percent, while Hexagon B gained 4.7 percent. Nibe B was the session's laggard, dropping 7.3 percent, while Epiroc A fell 2.4 percent.

Heating technology group Nibe reported first-quarter revenue and operating profit in line with analyst expectations. The company anticipates a stronger second half compared to the first six months of the year.

Truck and bus manufacturer Volvo's North American operations reached a settlement with the California Air Resources Board (CARB). The settlement will result in a SEK 1.8 billion negative impact on second-quarter operating profit. Volvo shares slipped 1 percent.

Live casino developer Evolution's board has authorized a share buyback program of up to EUR 2 billion. The program commences immediately and will run until the 2027 Annual General Meeting. The company previously announced in March that no dividend will be paid for 2025.

Private equity firm EQT has been selected by the European Commission and other founding investors as the preferred investment advisor and fund manager for the Scaleup Europe Fund, which has a target size of EUR 5 billion. EQT shares eased 0.8 percent.

Technology trading group Lagercrantz reported EBITA for the fourth quarter of its broken fiscal year (January to March 2026) that beat analyst estimates. The dividend also came in higher than expected, while revenue aligned with consensus. Lagercrantz shares rose over 8 percent.

Kopparbergs Bryggeri saw its first-quarter earnings rise compared to the same period last year. Revenue edged higher while pre-tax profit more than tripled. CEO Peter Bronsman stated that the year has started positively and that performance is in line with both budget and expectations. The stock climbed 3 percent.

Immunology company Hansa Biopharma has signed an exclusive licensing agreement with SERB Pharmaceuticals for the development and commercialization of Idefirix in Europe and the MENA region. The total value of the deal is EUR 115 million. Hansa will receive an initial EUR 110 million (approximately SEK 1.2 billion), plus an additional EUR 5 million upon full EMA approval of the drug. The stock skyrocketed nearly 20 percent.

Audiobook specialist Storytel has acquired Dutch and Belgian publisher Overamstel for a cash consideration funded by existing liquidity. Overamstel generated revenue of EUR 17.4 million in 2025 with an adjusted EBITDA of EUR 1.3 million. Storytel shares rose 1.2 percent.

On the analyst front, UBS upgraded Intrum to 'buy' from 'neutral'. The price target was significantly lowered to SEK 28 from SEK 54. The stock jumped over 9 percent.

SB1 Markets initiated coverage on Medicover with a 'buy' rating and Volvo Cars with a 'neutral' rating. Medicover gained 4.3 percent, while Volvo Cars fell 0.6 percent.

Coffee Stain climbed over 7 percent after Pareto Securities initiated coverage with a 'buy' recommendation.

Aktiespararna issued a 'buy' recommendation for Vitec, which rose 6.8 percent.