** Shares of Yancoal Australia YAL.AX fall as much as 13.3% to A$5.34, marking their biggest intraday pct loss since March 13, 2025
** Stock top loser on ASX 200 benchmark index .AXJO, which is trading up 0.5%, and hits its lowest level since January 14
** Coal miner posts 64% drop in FY NPAT attributable to A$440 million ($313.15 million)
** Says FY rev dropped 13% to A$5.95 billion
** Declared 2025 final dividend A$0.1220 PER SHARE
** About 3.4 million shares change hands, 1.2x the 30-day average
** Stock last down 8.8%, trimming YTD gains to 13.3%
($1 = 1.4051 Australian dollars)
(Reporting by Sneha Kumar in Bengaluru)
((Sneha.kumar@thomsonreuters.com;))