Prison operators fall after Democrats sweep Congress
** Shares of US prison operators fall in premarket trading after democratic sweep in US midterm elections
** Democrats won control of both the Senate and House on Tuesday, flipping Republican strongholds for the first time in generations, in a major setback for President Donald Trump
** Prison operators The GEO Group GEO.N and CoreCivic CXW.N fall 6.7% and 5%, respectively
** The two stocks have rallied sharply since Trump won the presidency two years ago, as his clampdown on illegal immigration boosted the need for detention facilities
** CXW has more than doubled in value since Trump's election win in November 2024, while GEO has jumped nearly 86%