** Shares of biotech co Prometheus Biosciences Inc RXDX.O
jump more than 31% after their stock market debut
** Shares opened at $24.95; co's IPO was priced at $19 per
share
** At the opening price, co was valued at around $904.5 mln
** Co offered 10 mln shares in IPO, raising about $190 mln
** Prometheus is engaged in the discovery and development of
therapeutic and diagnostic products for treatment of
inflammatory bowel disease (IBD)
** SVB Leerink, Credit Suisse, Stifel and Guggenheim
Securities were the joint bookrunning managers for RXDX's
offering
(Reporting by Sohini Podder in Bengaluru)
((sohini.podder@thomsonreuters.com))