** Shares of immigration detention center operators GEO
Group GEO.N and CoreCivic CXW.N rise premarket
** GEO gains 5.5% to $14.25, while CXW up 3.1% at $12.62
** U.S. President Joe Biden appears shaky in debate against
Republican rival Donald Trump; Trump has promised to crack down
on illegal immigration and restrict legal immigration if elected
to a second four-year term on Nov 5
** Trump's stance on immigration could boost need for
detention facilities, benefiting prison operators
** GEO trimmed 2024 profit forecast in early May
** YTD, GEO up ~25% while CXW has lost ~16%
(Reporting by Medha Singh)
((medha.singh@thomsonreuters.com))