Yancoal Australia is trading 4.3% down at A$5.76; no clear same-day cause has been confirmed. - Recent closes were A$5.66–A$5.75; no prior-session close was provided to calculate the exact daily change. - Yancoal completed its acquisition of an 80% interest in the Kestrel Coal Mine for US$1.85 billion upfront. - The deal was funded with cash and a five-year US$1.2 billion syndicated loan; available coverage does not establish it as the reason for the decline.