WASHINGTON (AP) — President Donald Trump is swiftly breaching the traditional boundaries of presidential power as he returns to the White House, bringing to bear a lifetime of bending the limits in courthouses, boardrooms and politics to forge an expansive view of his authority.

U.S. President Donald Trump's return to the White House has been met with both relief and disappointment across world markets as investors try to work out what the next four years will bring.

Sky News Washington Correspondent Annelise Nielsen claims US President Donald Trump's time away from the political scene was beneficial for him.