(Updates with Wall Street, Libor)
By Natsuko Waki
LONDON, April 2 (Reuters) - World stocks leapt to a one-month peak on Wednesday and the dollar rose against the yen as moves by major banks this week to come clean about their financial woes and raise fresh capital relieved investors.
The cost of borrowing very short-term dollar, euro and sterling funds fell for a second day as quarter-end funding pressure faded and after the European Central Bank moved to ease funding strains.
Government bonds edged lower after investors sold safe-haven assets for risky ones at the start of the quarter. Energy and commodity prices recovered from Tuesday's sell-off, providing support for emerging markets and other risky assets.
Tuesday's $19 billion writedown by UBS <UBSN.VX>, revelations of a bigger-than-expected writedown at Deutsche Bank <DBKGn.DE> and strong demand for Lehman Brothers' <LEH.N> share offering aimed at raising fresh capital all helped to boost expectations that the worst of the eight-month-old credit crisis might be over.
"There's a growing sense of optimism in the market, rightly or wrongly, that the worst of the financial crisis is over ... and that's raising the market's risk appetite," said Adam Cole, global head of FX strategy at RBC Capital Markets.
The FTSEurofirst 300 index <
> rose 0.5 percent while the MSCI main world equity index <.MIWD00000PUS> rose nearly 1 percent to its highest level since late February.U.S. stock futures <SPc1> were pointing to a slightly weaker open later on Wall Street. On Tuesday U.S. stocks posted their biggest one-day rally since March 18.
OFFICIAL EFFORTS
Expectations that the Group of Seven rich nations might launch a big mop-up operation to support financial markets with public money also improved sentiment. G7 finance chiefs meet in Washington later this month.
So far a series of liquidity injections by the world's major central banks have helped to ease strains in the money markets. Interbank lending rates have risen sharply in the run up to the end of the first quarter due to concerns about the banking sector.
Overnight dollar, euro, sterling interbank lending rates fell for a second straight day <LIBOR>. However, three-month dollar and euro borrowing costs rose.
"We see upside risk to money market spreads going forward due to a range of risk factors, including monoliners, credit spread worries, and annual bank statements," Danske Bank said in a note to clients.
"On the other hand, central banks have shown great resolve and determination. Further problems will probably be met by more initiatives. Most likely the problems will linger on for a protracted period."
The dollar hit a one-week high against a basket of major currencies <.DXY> before trimming gains as optimism grew about the health of the banking sector and the U.S. economy. It rose to three-week high above 102.30 yen <JPY=> and was about 0.2 percent higher against the euro <EUR=> at $1.5650.
Analysts say choppy trading condition might continue until the Federal Reserve meeting on April 29-30 where investors price in a more than 70 percent chance of a 25 basis point interest rate cut from the current 2.25 percent.
U.S. Treasuries <US10YT=RR> steadied after tumbling on Tuesday as investor optimism about led to selling of safe-haven assets.
"Bonds have come a long, long way and even the bullish clients we speak to regularly are starting to take profits at the long end of the curve," David Rosenberg, North American economist at Merrill Lynch, said in a note to clients.
Junk bond spreads widened 200 bps in the first quarter and investors have priced in an excessive 10 percent default rate while investment-grade spreads had also widened, he noted.
"If the clouds were to part at least somewhat, even risk-averse investors may be lured by the 5 percent average yield on municipal bonds," Rosenberg said.
The June Bund future <FGBLM8> was down slightly on the day.
U.S. crude oil rose 0.7 percent to $101.73 a barrel <CLc1>, while gold <XAU=> recovered to $890.50 an ounce after falling three percent on Tuesday.
Firmer commodity prices buoyed emerging market assets. MSCI's emerging stock index <.MSCIEF> rose 1.9 percent while emerging sovereign spreads <11EMJ> tightened 4 basis points.
The iTraxx Crossover index <ITCRS5EA=GFI>, most-widely watched indicator for European credit market sentiment, tightened 11 basis points to 527 bps. (Additional reporting by Naomi Tajitsu)