By Carla Mozee, MarketWatch

LONDON (MarketWatch) -- U.K. stocks rose Thursday, with mining giant Rio Tinto PLC gaining after it revealed plans for a share buyback. Meanwhile, the British pound moved higher on anticipation the Bank of England's next policy move would be an interest-rate increase.

The FTSE 100 rose 0.2% to 6,833.44. It climbed by as much as 0.5% intraday, rising along with the broader European equity market following an agreement among European leaders that a cease-fire in Ukraine will begin on Sunday.

In London, shares of market heavyweight Rio Tinto (RIO) climbed 3.7% after the company said Thursday it will repurchase $2 billion (GBP1.31 billion) of its shares. Rio Tinto's full-year net profit jumped to $6.5 billion, from $3.67 billion a year ago, although the earnings fell short of the $8.38 billion expected in a Wall Street Journal poll of analysts.

Shares of fellow miners Glencore PLC and Anglo American PLC were also higher, by 2.7% and 2.6%, respectively.

Advancers also included Shire PLC , up 2% after better-than-expected financial results from the drug maker, and Burberry Group PLC shares gained 1.8% as RBC Capital Markets initiated coverage of the luxury-goods maker with an outperform rating, citing its "digital leadership," expansion of its beauty business, and high exposure to the U.S. market.

Burberry "deserves a higher P/E valuation premium to luxury peers thanks to its stronger top- and bottom-line growth potential, superior [return on invested capital] and attractive cash-return outlook," said RBC analysts Claire Huff and Rogerio Fujimori in a note to clients.

But shares of EasyJet PLC fell 1.2% following a downgrade at Goodbody to sell from hold. Tullow Oil shares were down 2.2%, adding to their 6% loss on Wednesday after the Africa-focused oil explorer swung to a loss for 2014 and would suspend its

Sky PLC shares slipped 0.1% as the broadcaster's rating at Bernstein was cut to market-perform from outperform.

Sterling: The currency (GBPUSD) popped up to $1.5356 after the Bank of England signaled it remains on course to raise the country's key interest rate as policy makers upgraded both their inflation and growth forecasts. It now expects inflation to reach 1.96% in two years, compared with its forecast in November of 1.8%, although the bank also noted the rate could briefly turn negative. The pound was trading at $1.5228 ahead of the report, and at $1.5239 late Wednesday.

The key interest rate stands at 0.5%, a record low. But the bank also noted that it would be open to cutting the rate even further or launch a new round of asset purchases if inflation and growth prospects worsen.

"We expect further sterling appreciation ahead -- even against the U.S. dollar--as the currency secures its status alongside the greenback among the major currencies whose central banks remain on easing mode," said Ashraf Laidi, chief global strategist at City Index, in a note.

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