* FTSE up for third day, touches two-week high
* Banks firmer, L&G gains after results, Man up on bid talk * Miners up, supported by metal price
* Rexam down; results disappoint
By Simon Falush
LONDON, Feb 17 (Reuters) - Britain's top share index was up 0.6 percent by midday on Wednesday as financials and miners rose, bolstered by growing confidence on the global economic outlook, while Man Group <EMG.L> jumped on M&A talk.
By 1148 GMT the FTSE 100 <
> was up 30.14 points, at 5,274.20, touching a two-week high after it added 1.5 percent on Tuesday.But the index is still down 2.7 percent this year after a sharp sell-off in January and investors remain cautious about the outlook for equity markets.
"We have had positive economic data from the U.S. and earnings have been good, with signs of top-line growth. But I am not convinced we are at the start of a big uptrend, and overall we would sell into rallies," said Ronan Carr, European equity strategist at Morgan Stanley.
U.S. stocks posted their biggest daily percentage gain in three months on Tuesday after strong revenue from drugmaker Merck <MRK.N> and regional manufacturing data instilled confidence in the economic outlook.
Man Group <EMG.L> was the top gainer, up 6.4 percent, supported by market talk BlackRock <BLK.N> was interested in taking a stake and as investors reacted positively to weekly results of its AHL Diversified fund which showed a 0.15 percent gain.
The blue-chip index pared gains after data showed the number of Britons claiming unemployment benefit rose in January -- a fall had been forecast -- and by the largest amount since July. [
]But positive sentiment persisted with investors remaining upbeat on banks after strong results from Barclays <BARC.L> on Tuesday indicated the financial sector might be in better shape than many had feared.
Adding to strong gains on Tuesday, Barclays gained 2.2 percent while HSBC <HSBA.L>, Standard Chartered <STAN.L>, Royal Bank of Scotland <RBS.L> and Lloyds Banking Group <LLOY.L> added 1.2-2.0 percent.
Banks were also supported as French lender BNP Paribas <BNPP.PA> beat forecasts with fourth-quarter results by taking fewer bad debt provisions than expected.
Insurer Legal & General <LGEN.L> was 2.4 percent firmer after it met expectations with a 7 percent drop in sales but doubled British cash generation and said it expected a rebound in its key home insurance market in 2010.
Miners also gained as metal prices firmed, supported as the dollar stayed weaker after the euro held onto sharp gains made the previous session <EUR=>. Eurasian Natural Resources <ENRC.L>, Rio Tinto <RIO.L>, Xstrata <XTA.L>, Lonmin <LMI.L>, Anglo American <AAL.L>, Kazakhmys <KAZ.L> and BHP Billiton <BLT.L> added 0.6-3.9 percent.
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Retailers were also in demand, with Home Retail <HOME.L> up 3.2 percent after Investec upgraded its recommendation on Britain's biggest household goods retailer to 'buy' from 'hold' on valuation grounds, and raised its earnings forecasts.
Peer Kingfisher <KGF.L> gained 3.3 percent ahead of its fourth-quarter trading update due on Thursday.
Aerospace group Cobham <COB.L> rose 2.6 percent, bolstered by news it has won a contract to make components for new helicopters to be used by the U.S. army.
Among a small list of fallers, Rexam <REX.L> was the top laggard, down 3.2 percent with traders saying its full-year pretax profit was disappointing, although the company forecast an improved profit for 2010.
Later in the session, the U.S. import price index, due at 1330 GMT, and U.S. industrial production data for January, due at 1415 GMT, will provide a focus.
BP <BP.L>, Carnival <CCL.L> and Scottish & Southern Energy <SSE.L> went ex-dividend, knocking 7.18 points off the index. (Editing by Dan Lalor)