The market is acting nervously ahead of US statistics later this week and the cryptocurrency bitcoin is among the punching bags with a decline of around 5 percent to $86,600 per bitcoin.
Defense group Saab has taken an order for mobile air defense from Lithuania. But the share price is down just over 2 percent.
Other OMXS30 stocks that are taking a beating include Wallenberg Sphere venture capital company EQT, which is down 2.2 percent. But the engineering sector is generally weighing on the sector, with declines for ABB and AB Volvo of 1.3 and 0.8 percent respectively.
With Monday's decline, the Stockholm Stock Exchange's OMXS index has risen 6.4 percent since the turn of the year.
