* FTSE 100 falls 1.2 pct, led by mining and banks
* Rising U.S. Treasury yields dent recovery hopes
By Catherine Bosley
LONDON, May 28 (Reuters) - Renewed jitters on the health of the financial sector dented banking stocks on Thursday, while mining stocks fell on worries about the demand outlook, dragging Britain's leading share index 1 percent lower by midday.
The fall tracked Wall Street's decline on Wednesday, where 10-year U.S. government bond yields hit a six-month high, dampening hopes of an economic recovery.
By 1025 GMT, the FTSE 100 <
> was down 54.73 points at 4,361.50, after rising for three straight sessions. The UK benchmark is down 1.6 percent this year but has rallied 26 percent since hitting a six-year low on March 9.Banks <.FTNMX8350>, which have rallied 109 percent since March 9 lows, were the day's biggest drag, shaving 14.6 points off the index.
Barclays <BARC.L>, HSBC <HSBA.L>, Standard Chartered <STAN.L>, Lloyds Banking Group <LLOY.L> and Royal Bank of Scotland <RBS.L> dropped 1.4 percent to 2.5 percent.
"The valuations are very stretched on the banks," said Clive Murray of Investec Asset Management. "The world's got to issue a gazillion bonds to try and fund some sort of recovery."
"There's the general recession impact that's going to hurt these banks now," Murray added. "Impairments will only but increase. That's the harsh reality of it."
In related news, Britain's financial regulator disclosed details of its 'stress tests', saying it had based them on the assumption GDP would shrink 6 percent. [
]The biggest loser was Man Group <EMG.L>, the world's largest listed hedge fund firm, whose shares sank 8.0 percent after it said that assets under management fell to $44 billion by May 26, from $46.8 billion at end-March [
].Mining shares also fell, in line with softer base metal prices. BHP Billiton <BLT.L>, Rio Tinto <RIO.L>, Anglo American <AAL.L>, Xstrata <XTA.L>, Lonmin <LMI.L> and Vedanta Resources <VED.L> were off 0.9 percent to 2.6 percent.
Meanwhile, oil majors BP <BP.L> and Royal Dutch Shell <RDSa.L> lost 0.1 and 0.6 percent, respectively, recouping some earlier losses as U.S. crude <CLc1> continued its climb above $63 per barrel.
Traders were eyeing the outcome of OPEC's meeting in Vienna, where the cartel is expected to hold output steady. [
]
DEBT WORRIES
U.S. stocks dropped on Wednesday as rising yields on U.S. government debt raised worries businesses and consumers could face higher borrowing costs.
Treasury yields, a benchmark for many lending rates, rose on concerns about the heavy supply of debt the U.S. will issue.
"We just have to look at JP Morgan's comments last night," Murray said. "The credit card debts are mounting much worse than expected."
J.P. Morgan <JPM.N> said on Wednesday credit card losses will near 9 percent of its portfolio in the second quarter [
].Further underscoring concerns about the banking sector, U.S. regulators said the number of troubled U.S. banks and savings and loan institutions had soared to a 15-year high in the first quarter [
]Reinforcing the negative tone, data from the Confederation of British Industry showed retail sales fell more than expected in May and retailers are expecting a further deterioration next month. [
]Among mid-caps, building supplies company Wolseley <WOS.L> plunged 15 percent after saying nine-month profit slumped 80 percent, as most of its markets weakened in March and April. (Editing by Simon Jessop)