The Stockholm Stock Exchange opened lower on Tuesday. Markets that were closed for holidays on Monday, including London, Oslo, Copenhagen, and New York, are resuming trade today.

On the domestic front, Swedish producer prices ticked slightly higher in April.

Later today, ECB board member Sleijpen is scheduled to speak. The market is currently seeking clarity on how the central bank might act regarding future interest rate decisions.

As of 09:19 CET, the OMXS30 index was down 0.55 percent at 3,175.19. Shares worth approximately SEK 1.4 billion had changed hands on the Stockholm bourse.

Among the major industrial sectors, energy performed best with a gain of 0.39 percent. At the other end of the spectrum, technology lagged, falling 1.29 percent.

Among the leading stocks in the OMXS30 index, Boliden rose 0.5 percent while Nordea gained 0.2 percent. Hexagon B saw the weakest performance, dropping 3.0 percent, while Alfa Laval declined 2.0 percent.

In this morning's news flow, medical technology company Bonesupport has raised its assessment of its U.S. market potential. Ahead of Tuesday's capital markets day, the company now estimates the U.S. market potential at approximately 460,000 procedures, up from the previous 380,000, within relevant orthopedic indications. The stock fell 5.4 percent.

Research firm Oncopeptides has signed an agreement with Salus, a pharmaceutical distributor in Central and Eastern Europe, for the distribution and commercialization of its flagship drug Pepaxti. The agreement addresses a market potential of SEK 150 million and enables potential sales in the region earlier than previously planned, according to the company. The stock surged 12.6 percent.

Real estate company Nivika's board has decided to exercise the authorization from the Annual General Meeting to repurchase its own shares. The company will buy back shares for a maximum of SEK 200 million until next year's AGM. Nivika rose 1.2 percent.

Installation firm Bravida has secured an order in Denmark worth DKK 150 million. Bravida increased 0.8 percent.

Niche bank Morrow Bank has received approval from the Swedish Financial Supervisory Authority for its announced acquisition of Medmera Bank from Kooperativa Förbundet (KF). The bank expects the takeover to occur in July and the transaction to be completed by August 25 this year. Morrow rose 0.2 percent.

Maha Capital reported no revenue from continuing operations in the first quarter following the divestment of its U.S. energy assets. EBITDA results showed a narrowed loss. The company reiterated its ambition to evaluate a possible separation of its oil and gas operations from its fintech business. The stock remained unchanged.

Research company Saniona reported lower revenue and a significant increase in its operating loss for the first quarter compared to the same period last year. Saniona rose 1 percent.

Notable analyst recommendations today include:

Handelsbanken upgrades Autoliv to Buy (Hold), with a target price of USD 145 (132). Autoliv rose 0.3 percent.

Handelsbanken downgrades Hexagon to Hold (Buy), with a target price of SEK 94.50 (120). The company recently distributed Octave to shareholders. Hexagon fell 3.1 percent.

Pareto Securities downgrades Corem to Hold (Buy), with a target price of SEK 3.50 (4.30). Corem sank 2.8 percent, continuing yesterday's decline.