The Stockholm Stock Exchange is trading mixed at midday on Monday, recovering from an earlier morning decline. In the news flow, Sleep Cycle is climbing sharply following a takeover bid.

On the international front, US President Donald Trump's temperament flared up again on Sunday after receiving a response from Iran in the ongoing peace negotiations. Trump described the response as 'unacceptable', which has pushed Brent crude prices higher.

At around 1 p.m., the OMXS30 index was down 0.09 percent at 3,071.07. Shares worth approximately SEK 6.2 billion had changed hands on the Stockholm Stock Exchange.

Real estate showed the best performance among the major industrial sectors, rising 1.9 percent. At the other end of the scale, industrials lagged with a 0.3 percent decline.

Among the leading shares included in the OMXS30 index, Ericsson B rose 2.6 percent while Epiroc A was up 1.8 percent. The weakest performers were Assa Abloy B, down 2.1 percent, and Hexagon B, which fell 1.7 percent.

Private equity firm Altor has launched a cash takeover bid of SEK 24.50 per share for the sleep analysis company Sleep Cycle. The offer values the company at SEK 497 million and represents a premium of 47 percent over Friday's closing price. The bidder has secured acceptances from shareholders representing just under 63 percent of the shares. The stock climbed nearly 46 percent and is currently trading just below the offer price.

European defense stocks are retreating after Russian President Vladimir Putin suggested over the weekend that the war could be nearing its end, weighing on Saab's share price.

Power and automation group ABB is investing $200 million over three years to expand its medium-voltage equipment manufacturing in Europe. The stock rose 1.0 percent.

Education company Academedia reported increased revenue and improved operating profit for the third quarter compared to the same period last year. The stock increased 7.2 percent.

Research company Dicot Pharma is carrying out a rights issue of SEK 210 million. The stock dropped 3.6 percent.

Electrical technology company Garo is moving its production from Poland to Sweden to streamline operations and strengthen competitiveness. The transition will be implemented gradually during the year and is expected to yield annual net savings of at least SEK 25 million. Garo also plans to sell its property in Poland, valued at between SEK 110 and 130 million. Furthermore, the sales office in Germany is being closed, which is expected to reduce costs by SEK 5 million per year. The stock was rewarded with an 11 percent gain.

In other news, aluminum profile company Profilgruppen has appointed Per Thorsell as its new CEO, effective May 18. Thorsell returns to the company having previously served as CEO between 2014 and 2019. Profilgruppen slipped 0.2 percent.

Technology company Silex advanced a further 25 percent and has now climbed 335 percent compared to the subscription price of SEK 81 per share when trading commenced on Thursday.

In the analyst flow, Handelsbanken has upgraded Balder to buy from hold. The stock climbed 5.2 percent.

Bank of America has upgraded Verisure to buy from neutral. Verisure rose 2.2 percent.

SB1 Markets has initiated coverage on Acast with a buy rating and a target price of SEK 45. Acast rose 0.3 percent.

Dagens industri issued a buy recommendation for Systemair. The stock rose 3.6 percent.