* European shares drop 2.1 pct; Nikkei falls 4.8 pct
* Losses seen at Citigroup, Sony, Toshiba
* Euro slides ahead of expected ECB rate cuts this week
* Government bonds gain, 2-yr euro yields hit historic low
By Mike Peacock
LONDON, Jan 13 (Reuters) - Fears of steep losses at U.S. bank Citigroup and Asian industry giants such as Sony pummelled shares on Tuesday and bolstered government debt.
The euro slid to a one-month low against the dollar and the yen as the European Central Bank looked set to cut interest rates again this week, while oil continued to drop on fears about reduced energy demand as the world economy shrinks. [
]Two-year euro zone government bond yields briefly fell to their lowest since the launch of the euro in 1999, according to Reuters charts, as a new wave of risk aversion took hold.
Oil fell more than $1 a barrel to its lowest in more than two weeks, as investors grew more pessimistic about energy demand on signs the world economy will slow down sharply. [
]U.S. light crude for February delivery <CLc1> fell $1.19 to $36.40 a barrel by 0715 GMT, the weakest level since Dec. 26.
The ECB is expected to cut interest rates by a half point to 2 percent on Thursday, according to a Reuters poll. <ECBWATCH>
"Earnings and economic disappointments are the main contributors to the rise in risk aversion, both of which are likely to act as a persistent drag on markets over coming weeks," Calyon analysts said in a note to clients on Tuesday.
MSCI's all-country world index <.MIWD00000PUS> was down about 1.5 percent, its fifth negative performance in a row.
European shares also slipped for a fifth straight session, trading 2.1 percent lower and tracking losses in the U.S. and Asia, as investors worried that big companies might post poor results in the current earnings reporting season. <.EU>
BRACED FOR POOR RESULTS
U.S. banking giant Citigroup <C.N> could record a fourth-quarter operating loss of over $10 billion, the Wall Street Journal reported on Monday, while U.S. aluminium producer Alcoa <AA.N> announced a fourth-quarter loss. [
]Asia's export companies are also hurting as major overseas markets such as the United States are mired in recession.
Japan's Sony Corp <6758.T> will likely suffer an annual operating loss of about $1.1 billion, its first such loss in 14 years, a person with knowledge of the matter said. [
]Toshiba Corp <6502.T> expects a loss of about $2.2 billion according to Japanese media reports. Shares in both companies shed more than 8 percent in response.
Japan's Nikkei <
> fell 4.8 percent, after being closed on Monday for a public holiday.
CREDIT WARNINGS
By 0803 GMT, the euro <EUR=> traded 0.7 percent lower at $1.3274, having hit its one-month low in early London trade.
Against the yen <EURJPY=R>, it slipped by the same percentage to 118.39 yen, having earlier fallen to 117.69 yen, likewise its weakest in a month.
The New Zealand dollar sank 5 percent to a two-week low after Standard & Poor's said it could downgrade New Zealand's foreign currency rating, threatening to accelerate capital flight from an economy sinking deeper into recession and struggling to fund its current account deficit. [
]Spain on Monday became the third euro zone country since Friday to be warned by S&P agency that its credit rating was under threat from the global credit crisis.
Greece and Ireland have also been put on watch. Those collective warnings were also hurting the euro.
"The market has become sensitive to bad news such as credit outlook downgrading, especially with many investors now considering where they should be repatriating funds from, instead of investing to," said Masaki Fukui, a senior market economist at Mizuho Corporate Bank in Japan.
Intra euro zone government bond yield spreads blew out to their widest since the launch of the euro a decade ago as investors piled into German Bunds, the safest and most liquid of regional government debt.
Ten-year Portuguese, French, Belgian, Greek, Spanish and Dutch bonds were all yielding their most against benchmark Bunds since 1999, according to Reuters charts. (Editing by Andy Bruce)