** U.S.-listed shares of Israel-based CyberArk Software CYBR.O jump 17.4% to $449.36

** Shares of Palo Alto Networks PANW.O fall 4.10% to $196.11

** PANW is nearing a deal worth over $20 billion for CYBR, the Wall Street Journal reports

** PANW could finalize a deal for CyberArk as soon as later this week, report says

** Both companies did not immediately respond to Reuters requests for comment

** As of last close CYBR's shares have risen 15% YTD

(Reporting by Juby Babu in Mexico City)

((Juby.Babu@thomsonreuters.com;))