The FTSE 100 Index has added 21.4 points, or 0.4%, to 6215.6 in early trading, led by Vodafone, Anglo American, and BHP Billiton.
Vodafone has climbed 3.5p, or 2.6% to 139.5p after the company said operating profit, excluding asset sales, rose 5.7% to £6.24bn.
Anglo American, the world's second-largest mining company, is up 1.2%to 2455p. Larger rival BHP Billiton has climbed 0.8% to 986p.
Meanwhile shares Alliance Boots have fallen 2.5p, or 0.3%, to 816.5p after the company reported a 51% decline in first-half profit. The company said profit fell to £135m after a gain from selling property wasn't repeated.
In Japan stocks gained after a report on gross domestic product showed the nation's economy grew twice as fast as expected in the third quarter. The Nikkei 225 Stock Average climbed 267.06 points, or 1.7%, to close at 16,289.55 a short while ago.
Companies that are closely tied to the domestic economy, such as Mizuho Financial Group, Japan's second-largest bank by assets, and Mitsubishi Estate, the nation's second- biggest property developer, led gains.
Companies that rely on overseas sales such as TDK Corp. and Canon also advanced after crude oil prices dropped for a second day, reducing energy costs for consumers worldwide.
Mizuho jumped 29,000 yen, or 3.5%, to 864,000 after dropping 9% over the seven sessions to yesterday. Mitsubishi UFJ Financial Group climbed 40,000 yen, or 2.9%, to 1.44m. Sumitomo Mitsui Financial Group surged 50,000 yen, or 4.2%, to 1.23m.
Mitsubishi Estate advanced 110 yen, or 4.2%, to 2,750. Sumitomo Heavy Industries Ltd., which makes industrial machinery from ships to water purifiers, rose 37 yen, or 3.4%, to 1,134.
TDK climbed 190 yen, or 2.1%, to 9,070. Canon, the world's largest digital camera maker, added 60 yen, or 1%, to 6,210. Sharp gained 25 yen, or 1.2%, to 2,060. TDK had 79% of its sales made outside Japan last year and Canon made almost three fourths of its total sales overseas. More than one third of Sharp's sales were made overseas in a previous year.
Sony Corp, the world's largest maker of game consoles, trailed gains by electronics companies, adding 40 yen, or 0.9%, to 4,730. A measure tracking technology-related stocks advanced 1.6%.
In the US the Dow Jones industrial average rose 23.45 points, or 0.19%, to 12,131.88.
Stocks were helped by a decline in oil prices. Light sweet crude closed down $1.01 a barrel at $58.58 on the New York Mercantile Exchange. The dollar was mixed against other major currencies, while gold prices fell.
The only negative data yesterday came after the Treasury Department said the federal government started out its new budget year in October with a slightly higher deficit than last year. Revenue and spending both set records.
Tribune Co. closed up 43 cents at $32.46. The media company rose on a report that rival Gannett Co. is mulling an acquisition. Gannett picked up 62 cents to $59.78
Tyson Foods closed up 58 cents at $14.93. The food company expects to return to profitability this fiscal year. Novartis AG closed down $1.06 at $58.30. The Swiss drug maker fell after it disclosed delays with its Galvus drug.
Merck & Co. closed up 34 cents to $43.46 after saying its new arthritis painkiller is safer than Vioxx.
Meanwhile Dell closed up 60 cents at $25.49. Intel closed up 42 cents at $21. The chip maker rose ahead of its earnings report. SanDisk closed down 51 cents at $45.24 after UBS downgraded the flash memory maker.IFAonline
The forces at play in investment - most obviously, regulatory change, uncertain markets and shifting demographics - are as strong today as they were when Professional Adviser launched its sister magazine Multi-Asset Review in 2017.
Regulator has visited some firms already
Platforms react to Fidelity blocking Income Focus purchases
Chris Hill's letter to Treasury
Cash balance surges