** Shares of AVjennings AVJ.AX leap as much as 97% to A$0.650; highest since March 28, 2018
** Stock logs record intraday pct gain
** Property developer gets takeover offer from investing firm Proprium Capital Partners (Australia) and peer AVID Property Group, valuing it at ~A$373 mln ($242 mln)
** Offer price of A$0.67 is 103% premium on last close
** About 4.7 mln shares traded vs 30-day avg of ~113,000; busiest session since June 30, 2015
** Stock has doubled in value YTD
($1 = A$1.5401)
(Reporting by Aaditya Govind Rao in Bengaluru)
((Aaditya.govindrao@thomsonreuters.com;))