The Stockholm Stock Exchange has opened the final session of the week in negative territory. Key morning developments include a sharp sell-off in Xspray following an FDA announcement and the release of Sectra's quarterly report. The trend is broadly in line with leading European markets.

As of 09:30 CET, the blue-chip OMXS30 index was down 0.31 percent at 3,125.62. Shares worth approximately SEK 1.5 billion had changed hands on the Stockholm bourse.

Among the major industrial sectors, consumer staples performed best with a 0.6 percent gain. At the other end of the spectrum, basic materials lagged, falling 0.9 percent.

Among the leading stocks in the OMXS30 index, SEB A rose 2.0 percent, while Essity B gained 0.8 percent. Boliden was the worst performer, dropping 2.6 percent, while ABB shed 1.6 percent.

Research firm Xspray Pharma has received a Complete Response Letter from the FDA, which currently declines to approve the application for Nilopki. The agency highlighted three remaining issues, and the company aims to resubmit its application as soon as possible. The stock plummeted 27.7 percent.

Medical technology company Sectra reported increased revenue and earnings for the fourth quarter, while order intake declined. Operating profit rose to SEK 209 million from SEK 199 million. The company is raising its ordinary dividend to SEK 1.30 (1.10) and also proposing an extraordinary dividend of SEK 1.00 (1.00). The stock fell 1.3 percent.

Forestry and garden products group Husqvarna is implementing several changes to its executive management. Patrik Johnsson has been appointed as the new CFO, effective September 11. He joins from a similar role at Indutrade and succeeds Terry Burke, who will leave the company on July 31. Husqvarna's shares were down 0.1 percent.

In this morning's analyst flow, Nordea upgraded Sinch to 'buy' (from 'hold') with a target price of SEK 50. The stock rose 1 percent.

DNB Carnegie upgraded SEB to 'buy' (from 'hold') with a target price of SEK 222 (206). The stock was up 2 percent.

UBS initiated coverage on Munters with a 'buy' rating and a target price of SEK 245. The stock fell 1 percent.

Berenberg upgraded Nordnet to 'buy' (from 'hold') with a target price of SEK 400 (320). The shares increased 3.7 percent.

SEB resumed coverage on Pandox with a 'buy' rating and a target price of SEK 205. The stock was up 0.7 percent.

Aktiespararna issued a 'wait' recommendation on Byggmax, which rose 1.2 percent.