** Shares of 3D Energi TDO.AX fall as much as 20.6% to A$0.135, their lowest level since November 13
** Marks steepest fall since April 9, 2020
** Energy firm receives firm commitments to raise A$14.5 million ($9.62 million) through placement
** Issue price of A$0.14 represents a discount of 17.6% to the stock's last close
** About 4.5 million shares change hands, 2.4 times the 30-day avg
** Stock is up 52.2% YTD, including the session's moves
($1 = 1.5078 Australian dollars)
(Reporting by Anjali Singh in Bengaluru)
((anjali.singh2@thomsonreuters.com; ))