By Natsuko Waki
LONDON, April 2 (Reuters) - World stocks jumped to a one-month peak on Wednesday and the dollar rose broadly as moves by major banks this week to come clean on their financial woes and raise fresh capital relieved investors.
Safe-haven government bonds were vulnerable after this week's sell-off. Energy and commodity prices recovered, providing support for emerging markets and other risky assets.
A $19 billion writedown by UBS <UBSN.VX>, revelation 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 half a percent while MSCI main world equity index <.MIWD00000PUS> rose nearly 1 percent to its highest level since late February.Expectations are growing that policymakers of the Group of Seven rich nations might launch a big mop-up operation to fix rotten financial markets with public money. 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.
The dollar hit a one-week high against a basket of major currencies <.DXY> before steadying as optimism grew about the health of the banking sector. It was up 0.1 percent at 101.97 yen <JPY=>, after climbing to a three-week high around 102.30 yen earlier in the day.
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 investors who grew optimistic about the economy dumped 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," he said.
The June Bund future <FGBLM8> was down slightly on the day.
Oil rose 0.4 percent to above $101 a barrel <CLc1>, while gold <XAU=> recovered to $887.70 an ounce after falling three percent on Tuesday.
Firmer commodity prices buoyed emerging market assets. MSCI's emerging stock index <.MSCIEF> rose 2 percent while emerging sovereign spreads <11EMJ> tightened 5 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; editing by David Stamp)