* FTSE 100 rises 1.7 pct * Crude prices fall sharply, easing inflationary pressure * Banks rise on StanChart H1 results, Barclays life arm sale * Wolseley top gainer on U.S. unit sale talk
By Dominic Lau
LONDON, Aug 5 (Reuters) - Britain's FTSE 100 <
> rose 1.7 percent by midday on Tuesday, as falling crude oil prices lifted sentiment, and banks gained after Standard Chartered's <STAN.L> first-half results beat forecasts.Banks were the top sectoral gainer on the index, which was up 90.7 points at 5,410.9 at 1036 GMT, snapping a three-session losing run. The FTSE 100 has fallen 16 percent so far this year.
"We've seen this sort of 5,400-5,420 level capped the market yesterday and on Friday. It may be difficult to see much more strength from where we are now," said David Jones, chief market strategist at IG Index.
"The chances are we could see some weakness from here. This is where we've seen sellers come back in the last few days."
StanChart surged 4.9 percent after the emerging market-focused bank beat analysts' forecasts with a 31 percent jump in first-half profit as growth in Asia continued to outpace western economies and its wholesale banking arm grew strongly. [
]Barclays <BARC.L> advanced 5.5 percent after Swiss Re <RUKN.VX>, the world's largest reinsurer, agreed to buy the UK bank's life assurance arm for 753 million pounds in cash.
Within the sector, Royal Bank of Scotland <RBS.L> added 5.6 percent, HSBC <HSBA.L> strengthened 1.4 percent and Lloyds TSB <LLOY.L> soared 5.7 percent.
Lower oil prices <CLc1> eased inflationary concerns and may give central bank policymakers some room to manoeuvre amid slowing global growth.
The U.S. Federal Reserve, however, is expected to keep interest rates unchanged at 2 percent when it announces its verdict after the European market close.
The Bank of England is due to announce its interest rate decision on Thursday, when analysts also expecting the UK central bank to stand pat.
Britain's services sector shrank for a third straight month in July but the pace of contraction slowed unexpectedly even as new business declined at the fastest rate in the survey's 12-year history. [
]Wolseley <WOS.L> topped the FTSE 100 gainers, soaring 13 percent after traders cited market talk of a possible sale of its U.S. operations. Wolseley, whose shares have been battered by a slump in the U.S. housing sector and slowing UK property market, declined to comment.
ENERGY STOCKS SAG
Heavyweight oil shares, however, took a heavy beating, with crude prices trading below $120 a barrel after hitting their peaks of $147 in mid-July.
BP <BP.L>, Royal Dutch Shell <RDSa.L>, BG Group <BG.L>, Cairn Energy <CNE.L> and Tullow Oil <TLW.L> fell between 1.2 and 6.2 percent.
Weaker oil prices, however, soothed British Airways <BAY.L>, TUI Travel <TT.L> and Thomas Cook <TCG.L>. They were up between 5.6 and 8.5 percent.
"If oil continues to weaken, it is a bit of a stimulus for the economy. It takes the heat off bad debt for the banks," said Mike Lenhoff, chief strategist at Brewin Dolphin.
"In a sense it's quite a welcome relief for economic activity and for financials in particular and also for travel and leisure."
"We could see rotation away from resources into areas that have underperformed and offer great value and high dividend yield," he said.
Legal & General <LGEN.L> surged 5.7 percent after the insurer posted a 6 percent rise in first-half operating profit, at the high end of forecasts, as annuity sales more than offset the impact of a weakening economy on protection and savings growth.
Rivals Prudential <PRU.L>, Old Mutual <OML.L>, Friends Provident <FP.L> and Standard Life <SL.L> gained between 4 and 6.5 percent. The sector also got a boost after Barclays's life assurance deal.
AstraZeneca <AZN.L> added 2.2 percent after UBS raised its price target on the drugmaker.
SABMiller <SAB.L> rose 3.7 percent after Danish brewer Carlsberg <CARLb.CO> beat expectations with its second-quarter earnings report.
Among mid-caps, Michael Page <MPI.L> jumped nearly 32 percent after the recruitment company said it had received an unsolicited bid approach from Switzerland's Adecco <ADEN.VX>. (Additional reporting by Michael Taylor; Editing by Paul Bolding)