The FTSE 100 has rebounded in style this morning after three days of declines.
The blue-chips index rose more than 160 points at one stage, with all 100 leading shares in positive territory in the first half hour's trading.
London took its cue from New York, where the Dow Jones industrial average staged an extraordinary comeback last night, closing up more than 550 points having been down more than 300 at one stage.
The FTSE peaked at 4322.76 this morning, up 163.55 points on last night's close.
The index has lost more than 230 points in the past three days, unpicking some of the recovery it made in the previous two weeks.
Mining groups figured prominently among the gainers as commodity prices rose ahead of the meeting of G20 nations.
Anglo American led the way, up more than 9% at £13.62, while Eurasian Natural Resources Corporation more than 7% better at 276p.
Financial stocks too were strong gainers, with troubled high-street bank HBOS up 6% at 95.6p.
HBOS shares are finally closing in on the implied value of Lloyds TSB's offer, which stood at 101p last night. Today Lloyds TSB ticked up modestly to 167.6p.
High-street rival Royal Bank of Scotland gained more than 4% at 54.9p following a BBC report that it is to cut 3,000 jobs worldwide.
