The FTSE 100 Index has advanced 36.1 points, or 0.6%, to 5,849 points this morning paced by oil and energy companies as crude oil gains for the first time this week.
BP has gained 4p, or 0.6%, to 638p, Royal Dutch Shell has added 8p, or 0.5%, to 1,767p and Rio Tinto has advanced 62p, or 2.4%, to 2,650p.
GlaxoSmithKline has also gained 16p, or 1%, to 1,552p. Deutsche Bank has raised its recommendation to "buy" from "hold", citing positive expectations for the company's pipeline of drugs.
In Japan, the Nikkei 225 Stock Average rose 409.42 points, or 2.6%, to 16,036.91 points after the central bank determined the economy is finally strong enough for it to abandon a five-year policy of fighting deflation.
Resona, Japan's fourth-biggest bank by assets, jumped 20,000 yen, or 5.2%, to 405,000 and Sumitomo Trust & Banking, the fifth largest, climbed 40 yen, or 3.5%, to 1,185.
Mitsubishi UFJ Financial Group, the world's largest bank by assets, advanced 30,000 yen, or 1.8%, to 1.68m.
In the US, the Dow Jones industrial average rose back above 11,000 to finish up 25.05 points, or 0.23%, at 11,005.74 points as investors bought defensive stocks like consumer staples and pharmaceutical companies on concerns about higher interest rates.
Procter & Gamble rose 1.3%, or 77 cents, to $61.07, while Coca-Cola gained 1%, or 43 cents, to $42.23.
Meanwhile, shares of stocks deemed sensitive to cyclical investment took a beating as heavy machinery maker Caterpillar lost 0.9%, or 64 cents, to $72.40, and aluminum producer Alcoa slid 1.4%, or 42 cents, to $28.78.IFAonline
Partner Insight: For Blackfinch, the arrival of its IHT portfolio services was a 'natural evolution' in the group's offering and points to an established track record of returning cash to investors.
Senior Managers Regime
Interest rate outlook unchaged
FCA made demands last week