* EM currencies rise for the 8th straight session
* Turkey's lira drops after sharpest pct gain in 10 weeks
* China, S.Korea, Taiwan markets shut for holiday
By Medha Singh
Sept 13 (Reuters) - Developing world currencies rose for theeighth straight session on Friday to a near six-week high onsigns of a thaw in U.S.-China trade tensions and monetary easingin the euro zone and Turkey.
MSCI's index of EM currencies advanced asinvestors' appetite for risk dented the dollar.
The South African rand firmed 0.3%, set for itsfourth week of gains, while the Russian rouble climbed0.7%, looking at its best five-day gain since June.
China resumed purchased of U.S. farm products, a move seenas a goodwill gesture before trade talks next month. PresidentDonald Trump said on Thursday he did not rule out thepossibility of an interim pact, although he said an "easy"agreement would not be possible.
European Central Bank on Thursday pledged indefinitestimulus to revive an ailing euro zone economy, setting thestage for a 25 basis point reduction in key borrowing costs fromthe U.S. Federal Reserve next week.
"A global skew for looser monetary policies has anunambiguous positive effect on emerging market assets and riskappetite, at least for the short term," TD Securities analystssaid in a note.
"This can only help the case for further Turkish easing ...at the October and December meetings to the tune of 350 bps and175 bps, respectively."
The Turkish lira fell 0.4%, a day after recording itsbest one-day percentage rise in 10-weeks when its central bankcut its policy rate by 325 points to 16.5%, roughly as expected.
This is the central bank's second marked policy easing intwo months as it seeks to boost a recession-hit economy, a sharpreversal from its aggressive policy tightening last year.
Mainland China, South Korea and Taiwan markets were shut forpublic holidays. China's yuan strengthened 0.4% inoffshore trading.
MSCI's EM index for stocks was 0.5% higher, onpace for its fourth weekly rise with indexes in Poland,Turkey, South Africa up between 0.2% and 0.5%.
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For RUSSIAN market report, see(Reporting by Medha Singh in Bengaluru;Editing by Edmund Blair)