** Diagnostic tests provider's XGN.O shares rise ~10.7% to
$13.4 in extended trading
** Co announces a change in its 2018 pact with Johnson &
Johnson's JNJ.N Janssen unit to co-promote rheumatoid
arthritis drug Simponi urn:newsml:reuters.com:*:nFWN2J808O
** According to the amendment, XGN to receive a minimum
promotion fee of $0.3 mln for Q1 and Q2 of 2021; the fee will be
capped at 10% above an adj. pre-determined baseline
** Up to Monday's close, XGN down ~53% YTD
(Reporting by Manojna Maddipatla in Bengaluru)
((manojna.kalyani@thomsonreuters.com; within the U.S. +1 646
223 8780, outside the U.S. +91 80 6749 1692))