The FTSE 100 Index has added 45.7 points, or 0.8%, to 5727.3 points this morning as oil and metal prices rise.
BP has risen 1.4% to 618p as crude oil rose above $72 a barrel in New York for the first time in two weeks on speculation an increase in gasoline demand will drain US fuel stockpiles.
Cairn Energy has risen 0.83% to 2,073p.
BHP Billiton has climbed 2.1% to 1,018p after copper prices rose in London and Shanghai. Sales of new homes in the US advanced unexpectedly in May to the highest level this year, triggering speculation demand for the metal may outpace supply.
Metal for delivery in September rose as much as 2.5%, to 61,000 yuan ($7,626) a metric ton on the Shanghai Futures Exchange.
In Japan, the Nikkei 225 Stock Average rose 19.41 points, or 0.1%, to 15,171.81 points, paced by steelmakers on speculation industry consolidation will pick up after the world's biggest steel and mining takeovers were agreed.
Nippon Steel added 8 yen, or 1.9%, to 425, extending yesterday's 1.7% gain.
JFE Holdings climbed 130 yen, or 2.8%, to 4,710, after rising 1.3% yesterday.
Arcelor SA yesterday agreed to be bought by Mittal Steel for 26.9bn euros, the steel industry's biggest takeover.
Meanwhile, Toyota slipped 20 yen, or 0.3%, to 5,810, Sony lost 70 yen, or 1.4%, to 4,900 and Honda Motor slid 25 yen, or 0.7%, to 3,620.
Exxon Mobil lost 29 yen, or 2.5%, to 1,156.
In the US, the Dow Jones industrial average shot up 56.19 points, or 0.51%, to end at 11,045.28 points yesterday, as acquisitions outweighed the prospect of higher interest rates ahead of the Federal Reserve's policy meeting this week.
Shares of companies being bought were among the biggest gainers, while the stocks of the purchasers were some of the biggest decliners.
Johnson & Johnson, which is spending $16.6bn to buy the consumer health-care arm of Pfizer, was the top drag on the Dow, down 1.8%, or $1.11, to $60.21, while Pfizer shares gained 1.6%, or 37 cents, to $23.01.
The US-listed shares of Inco and Falconbridge both surged after copper miner Phelps Dodge said it would buy the two nickel-producing companies for about $40bn in a deal to create a top global copper and nickel miner.
Phelps Dodge shares fell 8.1%, or $6.72, to $76.23, while US-traded shares of Inco rose 10.2%, or $5.95, to $64.21 and Falconbridge shares advanced 5.1%, or $2.50, to $51.80.
Mittal Steel's successful takeover bid for French rival Arcelor helped lift shares of US steelmakers. US Steel climbed 3.2%, or $2.03, to $66.05 while Nucor added 1.1%, or 54 cents, to $51.91.IFAonline
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