The FTSE advanced in early trading on Thursday following two days of losses as Shell posted bumper Q3 profits.
Shortly after opening, the index was up 0.8% at 5,691.14. It closed Wednesday down more than 1%.
Shell is up 1.5% at £20.06 after the oil giant announced earnings in the third quarter were up 18% on a year ago.
Mining firm Kazakhmys advanced 1.1% to £13.36 after confirming another solid quarter of copper production and insisting it remains on course to hit its full year output target.
Other stocks performing well include Rio Tinto, ARM Holdings and BHP Billiton.
European markets have followed London's lead, with the Cac up 0.77% at 3,844.97 and the Dax up 0.59% at 6,606.93.
Overnight in Asia, the Nikkei dropped 0.22% to 9,366.03 while the S&P/ASX 200 was up 0.79% at 4,684.9, with financial and technology companies performing well across the region.
Meanwhile, the Dow Jones closed yesterday at 11,126.28, down 0.39%, despite almost falling below 11,000 during trading, as Wall Street continued to speculate on the Federal Reserve's decision on quantitative easing next week.
Additional reporting by ShareCast
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