At the close, the broad OMXS index had risen 0.2 percent.
Engineering company SKF ended the day at the top, up 2 percent, followed by telecoms giant Ericsson, which gained 1.5 percent.
Even in Europe, the mood was relatively cheerful - the stock exchanges in London, Paris and Frankfurt all ended higher.
The price of oil rose further on Thursday evening to $108 per barrel of North Sea oil, but the price fell back on Friday and was at just over $104 per barrel at 5:30 p.m.
US inflation in August was unchanged at 3.4 percent, as expected. Analysts are now increasingly expecting a US interest rate hike next week.
