Paul Singer, a leading Republican fundraiser and donor, is endorsing Marco Rubio in his bid for the presidency. The endorsement is a major boost for the Florida senator’s campaign and is a setback for ...

Marco Rubio’s presidential campaign just got the biggest boost he could’ve hoped for: billionaire hedge fund manager and conservative powerbroker Paul Singer explicitly expressed his support for the ...

Marco Rubio seems to have scored one of the major undecided donors in the Republican primary: hedgefund billionaire Paul Singer. Singer, who was a generous contributor to President George W. Bush and ...

WASHINGTON – Marco Rubio got another boost to becoming the top establishment candidate in the race for the GOP presidential nomination. Two days after a strong performance in the latest Republican ...