The FTSE 100 has ended the day up 41.60 points, or 0.64%, to 6,565.7, as miners reversed earlier losses.
However, Standard Chartered posted the biggest gains with a rise of 4.02% to £16.05, following a broker upgrade from Lehman Brothers, while Northern Rock added 3.89% to £10.96.
Among miners Lonmin advanced 3.24% to £39.25, closely followed by Rio Tinto which climbed 3.19% to £36.52, while Anglo American advanced 2.91% to £29.35, although gains were limited by WPP which slipped 0.99% to 750p.
SABMiller was the biggest loser with a drop of 1.33% to £11.91, closely followed by Next which slipped 1.19% to £23.98, while Hammerson declined 1.14% to £16.54, and Friends Provident fell 1.07% to 207.75p.
In the US, the Dow Jones Industrial Average is up 91.26 points, or 0.69%, to 13,306.39 in early trading, following good economic reports on inflation and retail sales.
Just two stocks are in the red at the moment, with Home Depot slipping 0.28% to $38.68, closely followed by Wal-Mart Stores which is down 0.27% to $47.62, although 3M Company is offsetting losses with a gain of 1.26% to $85.72.
Alcoa is posting the biggest gains with a rise of 1.99% to $38.38, closely followed by Merck which is up 1.86% to $52.03, while AT&T has advanced 1.85% to $39.63, and Exxon Mobil has climbed 1.66% to $80.71.
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