The Stockholm Stock Exchange dropped sharply on Tuesday. The trend was mirrored globally as the conflict in the Middle East continued with further attacks. Oil prices continued to rise as a consequence of the unrest.

On Monday evening, Iran's Revolutionary Guard announced that it had closed the crucial Strait of Hormuz. The IMF commented that the attack by the United States and Israel against Iran has increased uncertainty in the global economy.

At closing, the OMXS30 index was down 2.70 percent to 3,082.97. Shares worth approximately 31.4 billion kronor were traded on the Stockholm Stock Exchange.

Among the major industrial sectors on the exchange, energy performed the best with an increase of 2.17 percent. On the other end of the spectrum, raw materials were at the bottom, down 3.5 percent.

Major shareholder Investor purchased shares in private equity firm EQT for 319 million kronor. According to the ownership service Holdings, Investor now holds 14.63 percent of the capital and votes in EQT. Investor dropped 2.6 percent and EQT fell 1.6 percent.

Volvo Cars launched its largest wireless software update to date, reaching around 2.5 million cars in 85 countries. The automaker's stock declined 3.1 percent.

Lock company Assa Abloy has acquired US-based Sennco Solutions, which provides anti-theft solutions to retailers with a focus on health and beauty. Sennco reported sales of 330 million kronor in 2025 with a strong EBIT margin. In other news, Barclays raised its recommendation for Assa Abloy to overweight from equal weight. The stock fell 1.6 percent.

Education company Academedia acquired 100 percent of Norwegian adult education company K2 Kompetanse. Revenue in 2025 amounted to 80 million Norwegian kronor with an adjusted EBITA result in line with Academedia's profit target for its adult education operations. Academedia rose 1.6 percent.

Life science investment company Linc's net asset value amounted to 72.60 kronor as of February 28, up from 71.50 kronor the previous month. The return on net asset value per share during the month was 1.6 percent. Linc fell 2.2 percent.

Construction company Nyab signed a contract with Nykvarn Municipality for land and water/sewage works worth 165 million kronor. Nyab dropped 0.8 percent.

SB1 Markets initiated coverage of Hoist and Bergman & Beving, both with a buy recommendation. The shares rose 1.8 percent and fell 1.8 percent, respectively.