By Louise Heavens
SINGAPORE, Jan 28 (Reuters) - Shares in Asia fell, with Japan and South Korea down around 1.5 percent, as concerns over the health of the U.S. economy came back to haunt stock markets, sending investors to seek a safe haven in bonds.
The dollar dipped slightly against the euro as investors nervously jockeyed into position ahead of this week's Federal Reserve meeting, at which the bank is set to cut interest rates again, having slashed them in an emergency move last week.
Oil drifted back down to $90 a barrel with traders saying Friday's $1.30 surge might have been overdone after Wall Street <
>< > ended the week on a down note following two days of sharp gains. [ ]The market mood was calmer after last week's nerve-wracking rollercoaster, which saw global equity markets toppled by growing despair over the U.S. economy earlier in the week and then lifted by a $150 billion stimulus plan agreed by U.S. legislators and the White House. [
]But investors were on edge as they sifted through French bank Societe Generale's <SOGN.VX> trading scandal.
On Sunday the bank defended its handling of the world's biggest trading scandal, but admitted its risk systems had failed to detect a 50-billion-euro market bet by a lone trader. For a list of stories, click on [
]The benchmark Nikkei average <
> was down 1.8 percent by 0052 GMT, after finishing Friday up 4.1 percent to mark its biggest one-day gain in nearly six years. Shares in exporters such as Sony Corp <6758.T> fell more than 2 percent.Seoul's KOSPI index <
> shed 1.34 percent."Although aggressive U.S. stimulus measures are likely to stablise global financial markets, South Korea and its companies are still vulnerable to economic risks," said Lee Young-won, a strategist at Prudential Investment & Securities.
Australia's market was shut for a public holiday, while Hong Kong <
> was expected to open lower.DAVOS DOWNER
World business leaders gathered in Davos for last week's meeting said on Saturday the worst might yet be to come in a financial crisis driven by continuing fears of bank losses and uncertainty over U.S. emergency stimulus measures.
Banks said there were few cures for a financial system faced with hundreds of billions of dollars in investments which have turned bad.
"It will be a while before you see a return of normalcy in banking and markets," Merrill Lynch <MER.N> CEO John Thain said. [
]For now, some investors sought safety in Japanese government bonds.
March 10-year futures <2JGBv1> rose 0.49 of a point to 137.85, while the benchmark 10-year bond yield <JP10YTN=JBTC> fell 5 basis points to 1.425 percent.
The dollar edged up to 106.74 yen <JPY=>, holding above the trough of 104.95 yen struck last week as global equities tumbled, its lowest since May 2005.
The euro edged up 0.1 percent from late U.S. trade on Friday to $1.4690 <EUR=>.
U.S. crude <CLc1> fell 59 cents to $90.12 a barrel by 0108 GMT. (Editing by Valerie Lee)