The FTSE 100 is up 4.2 points, or 0.07%, to 6,264.2, with early trading flat ahead of the Christmas break.
Smith & Nephew is posting the biggest gains so far with a rise of 4.35% to 503.5p, closely followed by BG Group which is up 2.12% to 721p, while BP has gained 1.12% to 586.5p.
Centrica is also up 1.1% to 344.25p, closely followed by retailer Next with a rise of 0.73% to £18.03, although gains are being limited by Imperial Tobacco Group which is down 1.14% to £20.02.
Tate & Lyle is the biggest drag on the index with a fall of 2.32% to 801.5p, closely followed by miner Lonmin which is down 1.62% to £31.01, while Cairn Energy has slipped 1.52% to £18.85, and BY has dropped 1.51% to 310.25p.
In Japan the Nikkei 225 Stock Average added 47.80, or 0.3%, to 16,962.11 at the 3 pm close, after a report showed US consumer prices were unchanged last month, easing concern over inflation in Japan's biggest overseas market.
Export stocks gained with Sony, the world's second-biggest consumer electronics maker, advancing 110 yen, or 2.2%, to 5,160, while Honda, which had 55% of its sales in North America last year, climbed 110 yen, or 2.6%, to 4,360, and Toyota Motor rose 110 yen, or 1.5%, to 7,490.
Elsewhere Nikko Cordial, Japan's third-biggest brokerage, dropped 72 yen, or 4.8%, to 1,419, following reports the company is being investigated by the Securities and Exchange Surveillance Commission on suspicion of inflating its earnings for the business year ended March 31, 2005.
Mitsui, Japan's second-largest trading company, jumped 41 yen, or 2.4%, to 1,726, while Mitsubishi, the nation's biggest, climbed 40 yen, or 1.8%, to 2,285, although Japan Tobacco fell 31,000 yen, or 5.2%, to 566,000 after the company announced details of its purchase of UK company Gallaher Group.
In the US on Friday, the Dow Jones Industrial Average hit a new high with a rise of 28.76 points, or 0.23%, to 12,445.52.
Honeywell International posted the biggest gains with a rise of 2.18% to $43.62, closely followed by Procter & Gamble which rose 1.2% to $64.11, while Verizon Communications gained 1.08% to $36.48.
Merck also performed well with a rise of 0.92% to $44, closely followed by Intel which climbed 0.91% to $20.96, although gains were limited by McDonalds which slipped 0.64% to $43.41.
Exxon Mobil was the biggest drag on the index with a fall of 1.82% to $77.30, closely followed by General Motors which slipped 1.71% to $29.26, while Disney fell 1.21% to $34.30.IFAonline
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