(Updates prices, paragraphs 3-4, U.S. market, para 11)
By Randy Fabi
LONDON, Jan 22 (Reuters) - Oil cut some of its losses to trade around $89 a barrel on Tuesday after the U.S. Federal Reserve took emergency action to help prevent the world's biggest fuel consumer from tipping into recession.
The U.S. Federal Reserve on Tuesday slashed the benchmark federal funds target rate by 75 basis points to 3.5 percent in a surprise decision.
U.S. crude <CLc1> was trading at $89.12 by 1527 GMT, down $1.45 from Friday's settlement. There was no settlement on Monday as floor-trading was closed for a U.S. public holiday.
London Brent crude <LCOc1> fell a cent to $87.50 a barrel.
"I would expect oil prices to begin to solidify a little bit just simply from the factor that the rate cuts will weaken the dollar," said Simon Wardell of Global Insight.
"I'm not sure that this is going to be enough to revive people's hopes for the economy over the next few months. You might not see too much of an effect."
A sharp sell-off earlier had knocked U.S. crude down to $86.11 a barrel -- its weakest since Dec. 6 -- as speculative funds began to sell positions in oil markets and other commodities as part of a portfolio readjustment.
"There's a lot of fear out there. That could make some market participants go into cash until the situation becomes clearer," said Mike Wittner of Societe Generale.
The sell-off has taken oil prices below a range of roughly $90-$100 a barrel sustained since late October.
European markets recovered slightly on Tuesday after stock markets around the world on Monday suffered their deepest losses since Sept. 11 2001.
U.S. markets, which were closed on Monday, were still sliding. [
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SPECULATORS SELL?
Goldman Sachs said if all speculative length were liquidated on the oil markets, prices could drop to the low $80s, but fundamentals of supply and demand would probably prevent funds from selling out completely.
"Fundamentals continue to show little sign of weakness and suggest that the recent sell-off is overdone," Goldman Sachs wrote in a note.
Inventory data in top consumer the United States last week showed the first increase in oil stocks for nine weeks, but Goldman Sachs said stores of refined products in industrialised countries were still relatively low.
Concerns about political instability in oil-producing countries like Nigeria were also expected to provide support for oil prices.
Oil has fallen around 11 percent from its record high of $100.09 hit on Jan. 3, relieving pressure on the Organization of the Petroleum Exporting Countries (OPEC) to agree a production increase when it meets on Feb. 1.
But the producer group is not expected to cut output while the world is smarting from the impact of high oil prices and economic uncertainty makes it extremely difficult to predict oil demand.
"With mounting evidence of a slowdown in U.S. economic expansion at year-end, fears of a downright recession have multiplied," OPEC said on Tuesday in a monthly report. (Additional reporting by Luke Pachymuthu in Singapore, Barbara Lewis and Peg Mackey in London)