New York's main contract West Texas Intermediate for March delivery gained 17 cents to USD 97.52 in late morning trade while Brent North Sea crude for March was down four cents at USD 107.81.
The mixed performance of oil prices came as Asian stock markets slumped, extending a global rout on renewed fears about emerging economies after the Fed cut.
David Lennox, a resources analyst at Fat Prophets in Sydney, said, however, that the taper was a "reflection of US economy which according to the Fed is growing at a better than expected rate at the moment".
While the taper creates a downward pressure on prices in the short term, it bodes well in the long term for oil demand in the world's top crude-consuming nation, analysts have said.
The Fed, US central bank, yesterday said it would reduce its massive bond-buying programmed by USD 10 billion a month to USD 65 billion, citing a pick-up in the US economy.
The move, which followed a similar announcement in December, stoked fears of huge capital flows from emerging markets that have benefited from the Fed's cheap money policies, as dealers look for safer investments back home.
Indications of weak demand from the United States and China are also weighing down on oil prices, analysts said.
China's manufacturing sector contracted for the first time in six months in January, British banking giant HSBC said Thursday, raising questions over growth prospects for the world's second-largest economy.


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