The FTSE reversed yesterday's late sell-off sparked by the results of the Irish bank stress tests in early trading on Friday.
Yesterday's test results revealed an additional €24bn in recapitalisation needs for the Republic of Ireland's four main banks.
London's leading index, having been flat for most of Thursday, declined sharply as the results filtered in.
However, this morning, the index has advanced almost 50 points, or 0.8%, to sit at 5,956.
Today, investors will be keeping a close eye on the US's March payroll report, which is due out this afternoon.
Elsewhere in Europe, the German Dax was up 0.93% to 7,106 and French Cac rose 0.73% to 4,018.
Overnight in the US the Dow Jones slipped 0.25% to 12,320 but still managed to post its best quarter since 1998, finishing 6.4% up for the first three months of the year.
On the commodities front, oil traded near a 30-month high amid signs the global economic recovery is strengthening.
Crude oil for May delivery rose as much as 93c to $107.65 a barrel.
Meanwhile, in Asia, the Nikkei fell 0.5% to 9,708 with the index running out of steam after advancing to a two-week high in the previous session.
The Japanese yen continued to weaken against the dollar for the seventh consecutive session, to 83.56, the longest stretch since July 2005.
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