After just over an hour of trading, the broad OMXS index was up 0.4 percent.
Yesterday, both European and US stock markets closed higher, on hopes of a quick end to the war.
In the US, futures trading points to Wall Street opening slightly higher when trading begins this afternoon.
During overnight Asian trading, the stock markets reversed. Tokyo closed up 1.6 percent while the Kospi index in South Korea was up about 8 percent after falling by about the same amount the day before.
The price of oil has also fallen. A barrel of North Sea oil was almost $82.50 at 10:15 a.m., compared to $84 earlier in the morning. The price of gas has also turned down slightly.
