The GOP tax bill could boost the highest-earning Americans' incomes while hurting low earners, according to findings from nonpartisan research groups.

U.S. President Donald Trump's sweeping tax-cut bill, which had been stalled for days by Republican infighting over spending cuts, won approval from a key congressional committee on Sunday in a rare victory for Trump and House Speaker Mike Johnson.

Moody’s downgrade of U.S. credit on Friday helped put into focus the U.S. government’s ballooning budget deficit and President Donald Trump’s hopes to add trillions more to the national debt.