** Shares of James Hardie Industries JHX.AX rise 7.3% to A$41.785
** Stock poised for its best intraday pct gain since April 10, if trends hold
** JHX rose as much as 9.9% to A$42.81 earlier in the day to hit highest level since March 24
** Cement products maker is among top gainers on the benchmark index .AXJO
** James Hardie's $8.75 billion offer to acquire U.S. artificial decking maker AZEK AZEK.N approved by AZEK shareholders
** YTD, stock down nearly 19%, including the day's move
(Reporting by John Biju in Bengaluru)
((John.Biju@thomsonreuters.com;))