The FTSE 100 Index has gained 20.80 points, or 0.3%, to 6,064.90 points this morning, led by BHP Billiton and Rio Tinto.
BHP Billiton has risen 2.1% to 1,171p and Rio Tinto has increased 1.3% to 3,176p, as iron ore price negotiations progress in Asia.
Corus Group has advanced 1.2% to 88p after Deutsche Bank raised its stock recommendation to "buy" from "hold" and boosted its price estimate 25% to 100p.
PartyGaming has also climbed 4.8% to 135.75p, the biggest percentage increase in the FTSE 100.
In Japan, the Nikkei 225 Stock Average index climbed 245.35 points, or 1.4%, to 17,489.33 points, the highest since 11 July 2000.
Honda jumped 420 yen, or 5.7%, to 7,850, the biggest gain since 29 September, and Matsushita Electric Industrial rose 60 yen, or 2.2%, to 2,765.
Inpex Holdings, Japan's largest oil explorer, advanced 60,000 yen, or 5.6%, to 1.13m and Japan Petroleum Exploration added 130 yen, or 1.8%, to 7,520 as crude oil for May delivery rose 1.3% to $67.07 a barrel in New York yesterday.
Tokyu, a rail, property and retail group, jumped 58 yen, or 7.3%, to 853 after Merrill Lynch began its coverage of the stock with a "buy" rating.
In the US, the Dow Jones Industrial Average index rose 35.70 points, or 0.32%, to end at 11,239.55 points as energy company stocks rose with a jump in US crude oil futures prices.
Providing the biggest lift to the Dow were shares of aluminum producer Alcoa. The stock rose 2.6%, or 81 cents, to $31.67 after Credit Suisse raised its price target on Alcoa to $37 from $35.
In the energy sector, ConocoPhillips rose 2.2%, or $1.41, to $66.56, Valero Energy rose 4.4%, or $2.64, to $62.50 and Exxon Mobil gained 0.7%, or 41 cents, to $62.16.IFAonline
Two global vehicles
'Further plug advice gap'
Must appoint separate CEOs and boards
Advisers do come out well
Will report to Mark Till