Saab rose 8.6 percent after Reuters reported that the NATO alliance plans to replace a current surveillance aircraft with a variant manufactured by the Swedish defence group.
On the large-cap OMXS30 list, Astra Zeneca also performed well, up 4.9 percent. At the bottom of the list were mining group Boliden and engineering giant ABB, down 2.9 and 1.3 percent respectively.
The upbeat stock market sentiment was also evident in Europe, where London, Paris and Frankfurt all closed moderately to sharply higher.
On the commodities market, oil prices continued to fall. A barrel of North Sea oil cost less than $71 at 5:30 p.m.
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