FOREX-Yen skids, Aussie rallies as Turkey delivers big rate hikes

* Emerging market jitters may subside further after big rate hikes in Turkey

* Turkish lira & Aussie dollar rally

* Yen down broadly as investors unwind safe-haven trades

By Ian Chua

SYDNEY, Jan 29 (Reuters) - Japan's yen extended its pullback early on Wednesday, while higher-risk currencies such as the Australian dollar rallied after Turkey stunned markets with a massive interest rate hike in an effort to stem capital flight from its economy.

Turkey's central bank, hot on the heels of India, raised all of its key interest rates - more than doubling some - in a move that could help calm jitters over emerging markets in general.

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The Turkish lira TRYTOM=D3 jumped to 2.1795 per U.S. dollar from 2.2530 before the moves.

The Australian dollar AUD=D4 , often used as a liquid proxy for risk trades, rallied about 40 pips to $0.8813. It last traded at $0.8797. Against the yen, the Aussie came within a hair's breadth of 91.00 yen AUDJPY=R from 90.30.

The dollar and euro also firmed on the Japanese currency as investors quickly unwound recent safe-haven flows. That saw the greenback rise 0.3 percent to 103.27 yen JPY= , while the common currency gained 0.2 percent to 140.95 yen EURJPY=R .

"We believe that the CBRT - with its aggressive move - has engineered a credible policy response," analysts at Societe Generale wrote in a note to clients, referring to the Central Bank of the Republic of Turkey.

"As a result, there is now scope for the Turkish lira to stage a quick rebound, at least in the short term," it said.

Markets were already calming down after Friday's panic selloff in some emerging markets assets which came amid expectations the U.S. central bank will further scale back its stimulus.

The Fed concludes its two-day policy meeting later on Wednesday and is all but certain to reduce its bond purchases for a second time, to $65 billion per month from $75 billion. It is, however, likely to leave intact its vow to keep interest rates low.

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The euro was little changed against the U.S. dollar at $1.3654 , having drifted lower in the last few days from a high of $1.3740 last Friday.

(Editing by G Crosse)

((ian.chua@thomsonreuters.com)(+61-2-9373-1871)(Reuters Messaging: ian.chua.thomsonreuters.com@reuters.net))

Keywords: MARKETS FOREX/