* FTSE rallies up 0.8 percent; Greece goes to EU/IMF
* Banks, miners, Vodafone rebound
* UK GDP fall short of expectations
By David Brett
LONDON, April 23 (Reuters) - A request by Greece to the EU and IMF for aid to help with its debt crisis tempered investor uncertainty, boosting demand for riskier bank and commodity stocks, lifting Britain's top shares by midday on Friday.
Equities were buoyant, even as GDP data showed Britain's economy grew at a slower pace than expected in the first three months of the year.
By 1110 GMT, the FTSE 100 <
> was up 45.93 points, or 0.8 percent at 5,711.20, having closed at its lowest level since March 22 on Thursday following news that Greece's deficit widened more than expected, which hit investor sentiment.Greek Prime Minister George Papandreou asked for the activation of a euro zone and International Monetary Fund aid package on Friday aimed at pulling the debt-laden country out of a debt crisis. [
]"Greece finally turning to the EU and IMF has allowed investors to breath a sigh of relief in the short-term," said Jimmy Yates, head of equities at CMC Markets.
Banks were the strongest performers, HSBC <HSBA.L>, Barclays <BARC.L> and Lloyds Banking Group <LLOY.L> and Standard Chartered <STAN.L> rose 0.7 percent-2 percent.
Royal Bank of Scotland <RBS.L> gained 2.7 percent after an upbeat note from Barclays Capital.
The sector has been volatile with investors weighing uncertainty over regulation and exposure after fraud charges were levelled against U.S. giant Goldman Sachs <GS.N> and the Greece situation against recent upbeat broker comment.
Commodity stocks enjoyed a relief rally, with miners Fresnillo <FRES.L>, Lonmin <LMI.L>, ENRC <ENRC.L> and Kazakhmys <KAZ.L> up 0.4 to 2.3 percent.
Energy stock BP <BP.L> and BG Group <BG.L> rose 0.3 and 0.4 percent respectively.
Vodafone <VOD.L>, the top weighted faller on Thursday, rebounded 0.6 percent.
Carnival <CCL.L> topped the UK blue-chip gainers list <
>, up 4.7 percent, touching its highest since January 2007. Traders cited a spike in demand for cruise holidays following the Icelandic volcano which closed airspace over Europe.Intercontinental <IHG.L>, which has benefited from higher room rates at airports as a result of the ash gained ground too, up 3 percent, with traders also citing results from U.S. peer Marriott <MAR.N> on Thursday.
UK GDP MISSES
Britain's economy grew at a slower pace than expected in the first three months of this year as the harshest winter weather in 30 years hit hard, official data showed. [
]"The data was short of expectations but there will be revisions to come and at least there's still some growth," said CMC's Yates.
Insurers were weaker, with Prudential <PRU.L> down 1.1 percent. Traders said that hedge funds were shorting the stock ahead of a rights issue, whose terms are to be published on May 5. Peer Aviva <AV.L> fell 0.8 percent.
Chipmaker ARM <ARM.L> fell 2.1 percent, topping the FTSE fallers list, with analysts saying that the momentum built up on rumours of possible interest from larger suitors and strong results from Apple <AAPL.O>, was running out of steam. (Editing by Rupert Winchester)