The FTSE 100 Index added 0.29% to 6,104.30 points today, led by fund manager Amvescap.
Amvescap gained 8.71% to 624p as the fund manager reported a healthy increase in first quarter pre-tax profit to $171.7m versus $110.8m a year earlier.
Legal & General added 0.53% to 142.25p after it reported its sales rose 27% in the first three months of 2006, boosted by strong growth in the UK. Sales rose to £390m compared with forecasts of about £340m.
The news took Friends Provident up 2.30% to 199.75p, while Old Mutual added 2.71% to 199p, Aviva rose 1.18% to 812.50p and Royal & Sun Alliance gained 1.45% to 139.50p.
In the US, the Dow Jones Industrial Average has risen 87.25 points, or 0.8%, to 11,370.50 points, led by General Motors.
GM has risen $1.06, or 5%, to $22.47 after Merrill Lynch raised its rating to "neutral" from "sell", saying GM shows signs of taking the steps necessary for a turnaround.
Meritage Homes has soared $5.55 to $66.90 after it reported a first-quarter profit of $2.86 a share, excluding the cost of refinancing debt. The earnings were 42 cents higher than the average estimate of six analysts in a Thomson survey.
US Steel has advanced $2.66 to $69.06 after it was upgraded to "buy" from "neutral" by UBS AG. The stock-price estimate was also lifted to $100 from $77 at JPMorgan Chase.IFAonline
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