** Shares of Australia's Syrah Resources SYR.AX fall as much as 26% to A$0.178, their lowest level since December 30, 2024
** Stock hits biggest intraday pct drop since mid-December, 2024
** The miner says "disappointed" in final negative determination from U.S. International Trade Commission (ITC)
** Determination in antidumping and countervailing duty investigation into whether graphite active anode material (AAM)imports into the U.S. from China were materially retarding the establishment of domestic AAM industry
** Co in December 2024 signed petition alongside several North American graphite firms to U.S. government to investigate dumping of Chinese graphite into the U.S. at unfair and unsustainable prices
** SYR down 24.5% so far this week, set for its worst week in over eight months, if current trend holds
** Stock down 47% YTD, including day's moves
(Reporting by Aamir Sheik Khalid in Bengaluru)
((Aamir.SheikKhalid@thomsonreuters.com))