** Shares of SoftBank 9984.T -backed Tempus AI TEM.O
tumble as much as 20% to slump for the third straight session
** The genetics testing firm, led by Groupon GRPN.O
co-founder Eric Lefkofsky, closed up 8.8% at $40.25 on its
market debut on Friday, June 14
** Shares fell 9.4% on Monday and 16.9% on Tuesday
** Tempus, which was founded in 2015 and is yet to post a
profit, raised $410.7 mln by selling 11.1 mln shares at $37/shr,
the higher end of its targeted range
(Reporting by Arasu Kannagi Basil in Bengaluru)
((ArasuKannagi.Basil@thomsonreuters.com;))