Among the most traded stocks in the OMXS30 index, game developer Evolution is plummeting by over 11 percent. The price collapse follows reports that British authorities are investigating the company's operations.
But not everything is falling in the Christmas trade.
The major banks are doing well. And real estate company SBB is surging upwards by almost 9 percent since the company calmed the market with statements about low risk of setbacks in the dispute with bondholders in a London court.
Astra Zeneca has received approval from the EU to use the medicine Tagrisso for treating patients with inoperable EGFR-mutated lung cancer. The stock is rising by 1.1 percent.
Defense contractor Saab is up by over 5 percent after receiving a new robot order from the Defence Materiel Administration (FMV).
Construction company Skanska has landed an order worth 1.1 billion kronor in Maryland, USA, to renovate Johns Hopkins University's main library. The stock is moving sideways.
Leading Asian stock exchanges have risen across the board during overnight trading, with price increases of over 1 percent on the Tokyo Stock Exchange. There were also broad gains on Wall Street at the end of last week.
The Stockholm Stock Exchange's OMXS index rose by 0.1 percent on Friday after Thursday's sharp price fall. With Monday's decline, the OMXS index is up by 5.1 percent since the turn of the year.