** Shares of immigration detention center operators GEO
Group GEO.N and CoreCivic CXW.N rise in premarket trading
** GEO gains 3.6% to $36.61, while CXW up 6.7% at $24.59
** President Donald Trump signed orders declaring illegal
immigration at the U.S.-Mexico border a national emergency and
targeting automatic citizenship for U.S.-born children of
immigrants in the country illegally
** Trump's stance on immigration can boost need for
detention facilities, benefiting prison operators
** CXW up ~75% since Trump won Nov. 5 U.S. election; GEO up
~150% during the period
(Reporting by Medha Singh)
((medha.singh@thomsonreuters.com))