The Dow and S&P 500 look to notch a sixth day of gains as investors await more trade news and an easing of tariffs on automakers expected to be announced by President Trump as his 100 days are marked this week.

Markets rose Tuesday following news that Donald Trump is set to let auto makers off some of his wide-ranging tariffs, boosting hopes of a less combative approach to his trade

Trump makes a momentous political comeback, breaking through the "blue wall" to win 312 electoral votes. Trump becomes only the second US president in history to be elected to non-consecutive terms, following Grover Cleveland (the 22nd and 24th US president).

The stock market tumbled by the largest amount in a president's first 100 days in office since Richard Nixon's second term began in 1973 under Donald Trump, new research shows.