** Regis Healthcare REG.AX falls 3.1% to A$6.24; set for biggest weekly drop ever
** Stock hits lowest since week ended April 11
** Aged care homes operator says Federal Government's 4.7% base price increase for Australian National Aged Care Classification falls short of expectations
** Expects FY26 underlying EBITDA of A$130 mln-A$135 mln ($85 mln-$88.3 mln), up 3%-7% from FY25
** Around 16.7 million shares traded so far this week, busiest since the week ended May 31, 2024
** YTD, REG gains 4%
($1 = A$1.5291)
(Reporting by Keshav Singh Chundawat in Bengaluru)
((Keshav.singhchundawat@thomsonreuters.com))