** James Hardie JHX.AX rises as much as 4.9% to A$38.150, highest since March 31
** Building products maker addresses investor concerns by voluntarily agreeing to hold shareholder vote before making any changes to its ASX listing status
** Investors had challenged Australia's listing rules after JHX proposed its $8.75 billion AZEK acquisition without shareholder approval, raising concerns about significant dilution of existing holdings
** JHX set to gain for three straight sessions
** Stock last up 1.8%, trims this year's losses to 27.3%, as of last close
(Reporting by Roushni Nair in Bengaluru)
((Roushni.nair@thomsonreuters.com;))