** ASX-listed shares of James Hardie Industries JHX.AX down 12.7% at A$25.745 apiece, their lowest point since late-June 2020
** Stock down as much as 17.2% to A$24.410, the lowest since late May 2020, at the start of trading on Thursday, before trading came to a halt
** Stock marks its worst intraday drop since August this year
** MSCI removes JHX CDIs from its Australia Index, to be implemented as of the close of November 24
** U.S.-based peer Trex TREX.N on Wednesday downgraded its FY25 sales outlook to $1.15 billion-$1.16 billion, from previous forecast of $1.21 billion - $1.23 billion
** TREX also missed third-quarter sales and profit estimates
** JHX is top loser in the benchmark ASX200 index .AXJO, which is trading 0.2% higher, as of 0243 GMT
** JHX has lost over 49% this year, including the day's moves
(Reporting by Kumar Tanishk in Bengaluru)
((Tanishk.Kumar@thomsonreuters.com; X: @thatstanishk http://www.x.com/thatstanishk;))