* Crude oil advances slightly as U.S. crude stocks slip
* Yield on 30-year U.S. bond jumps above 3.46 pct
* Dollar rallies after Fed calms inflation jitters (Adds close of U.S. markets)
By Herbert Lash
NEW YORK, Jan 28 (Reuters) - U.S. stocks rose on Wednesday on hopes for a proposed stimulus plan and efforts by the new Obama administration to quickly aid ailing banks, while the dollar gained after the Federal Reserve calmed inflation fears.
European shares rose more than 3 percent in a third straight day of gains, led by banks, with Lloyds Banking Group leaping 50 percent after an analyst said a full nationalization would not be necessary.
U.S. equities also took comfort from the Fed's statement released at the end of its two-day policy meeting that said the central bank was prepared to buy long-term U.S. government debt if that would improve conditions in financial markets.
U.S. Treasury debt prices plunged, however, because the Fed declined, for now, to start buying longer-maturity government debt as many bond investors had hoped.
Before the Fed's announcement, bond prices had risen on buying hopes. But the 30-year long bond's yield, which moves inversely to its price, spiked above 3.46 percent to the highest level since Dec. 1 in the aftermath of the policy statement.
Oil prices settled higher after U.S. government data showed draw-downs in gasoline and distillate inventories, and the Organization of Petroleum Exporting Countries vowed to fully implement steep supply cuts by month's end.
Bank shares were the stars of the day on both sides of the Atlantic, with many posted double-digit percentage gains, on hopes a U.S. "bad bank" would be created to mop up toxic assets, giving many banks double digits gains. For details, see [
].Results posted by Wells Fargo <WFC.N>, one of the biggest U.S. banks, and Spain's Santander <SAN.MC>, the euro zone's largest bank, in which they pledged to keep their dividend, also gave investors hard hit by the credit crisis something to cheer.
"The combination of some good earnings reports from the banks and, more important than anything, some clarity on where we're heading with banking policy in the near-term is what's contributing mainly to the rally," said Jim Paulsen, chief investment officer at Wells Capital Management in Minneapolis.
Announcements from Tokyo to Washington and London on further government fiscal stimulus measures helped boost confidence, such as a U.S. Senate move on Tuesday to widen a proposed stimulus package to about $887 billion.
The Dow Jones industrial average <
> rose 200.72 points, or 2.46 percent, at 8,375.45. The Standard & Poor's 500 Index <.SPX> gained 28.37 points, or 3.35 percent, at 874.08. The Nasdaq Composite Index < > added 53.44 points, or 3.55 percent, at 1,558.34.Among U.S. banks, both State Street Corp <STT.N> and Wells Fargo jumped 31 percent each.
The FTSEurofirst 300 <
> index of top European shares closed 3.2 percent higher at 810.82 points, but is still down 2.6 percent this year.Royal Bank of Scotland <RBS.L> soared 36 percent and Deutsche Bank <DBKGn.DE> climbed 22 percent.
Lloyds <LLOY.L> spiked 50 percent after Citigroup analyst Tom Rayner upgraded his rating to "buy" and said a full nationalization would be "unnecessary and inconsistent" with the government's aim.
The benchmark 10-year U.S. Treasury note <US10YT=RR> fell 21/32 in price to yield 2.65 percent. The 30-year U.S. Treasury bond <US30YT=RR> fell 84/32 in price to yield 3.42 percent.
The New Zealand dollar plunged against the U.S. currency after the Reserve Bank of New Zealand slashed benchmark interest rates to 3.5 percent, the lowest level in 10 years.
The New Zealand currency fell more than 2 percent to a low of $0.5191 <NZD=> before bouncing back.
The dollar rose against a basket of major currencies, with the U.S. Dollar Index <.DXY> up 0.29 percent at 84.65. Against the yen, the dollar <JPY=> rose 1.53 percent at 90.28.
The euro <EUR=> fell 0.28 percent at $1.3139.
U.S. crude oil <CLc1> settled at $42.16 a barrel, up 58 cents, after a 9 percent plunge on Tuesday as bleak U.S. economic data stirred demand concerns.
London Brent <LCOc1> settled at $44.90, up $1.17.
Gold extended losses after the Fed kept interest rates unchanged and signaled concern about deflation risks.
But the Fed's comments indicating that economic conditions were still dire were seen keeping gold alive as a safe-haven investment.
"For gold, it shows that the credit crisis is still very severe, and it will keep gold in people's eyes," said Bill O'Neill, managing partner of LOGIC Advisors in Upper Saddle River, New Jersey.
U.S. gold futures for February delivery <GCG9> settled down $11.30 at $888.20 an ounce in New York.
Asian shares rose, helped by gains on Wall Street and a jump in banking shares. Japan's Nikkei average <
> closed up 0.6 percent and the MSCI index of Asia-Pacific stocks outside Japan <.MIAPJ0000PUS> climbed 2.4 percent. (Reporting by Ellis Mnyandu, John Parry and Steven C. Johnson in New York; Jamie McGeever, Atul Prakash, Alex Lawler and Jan Harvey in London and Tracy Rucinski in Madrid; writing by Herbert Lash; Editing by Leslie Adler)