The hard-hit Scandinavian airline SAS was among the winners.
The OMXS index shot up during early trading, on the back of overnight gains in Asian markets. The steep climb gathered pace during the day, despite weak USA statistics which filtered through in the afternoon. By close the index had climbed 4.8 percent to 214.0. Turnover on Friday was however very low.
The winner list was topped by environmental technology firm Morphic, which shot up 48.5 percent to 1.93 kronor ($0.25) for no apparent reason other than the stock had been one of the hardest hit in 2008.
Scandinavian airline SAS also began the year on a positive note after it emerged that German airline Lufthansa is considering a bid for the debt-ridden firm. SAS stock climbed 15.3 percent to 43.70 kronor.
Elsewhere energy and raw materials firms had a strong day with Vostok Gas up 17.8 percent to 8 kronor, PA Resources up 13.9 percent to 13.10 kronor and Lundin Petroleum up 11.5 percent to 45.70 kronor. The finance sector also made gains after a tough autumn with Nordea up 7.9 percent to 59 kronor and SEB 7 percent to 65 kronor.
Confirmation of emergency loans from the US government to bail out car giant GM had knock on effects in the Swedish car industry with Autoliv up 7 percent to 169 kronor.
The Stockholm exchange followed the positive trend across Scandinavia and Europe. Indices in Copenhagen and Oslo saw gains of close to 5 percent. London’s FTSE 100-index climbed 2.4 percent to 4,539.8, Frankfurt’s Dax index was up 3.2 percent to 4,962.0 and the Paris CAC 40 closed 4.1 percent up at 3,349.7.