(Updates)
** Shares of prison operators fall after first-ever debate
between U.S. Vice President Kamala Harris and former President
Donald Trump
** GEO Group GEO.N down 10.8%, while CoreCivic CXW.N
lost 6.8%
** GEO hit a six-month low and headed for the worst day in
over one-year if losses hold
** Betting markets shifted in favor of Harris after
Tuesday's presidential debate
** Republican Trump has promised to crack down on illegal
immigration if elected, which would benefit prison operators
(Reporting by Pranav Kashyap and Shashwat Chauhan in Bengaluru)
((Pranav.Kashyap@thomsonreuters.com; +919886482111;))