US stocks close lower as tech shares tumble

US stock indices fell on Monday, weighed down by a sell-off wave in the tech and energy sectors, amid uncertainty about the US political scene.

Democrats in Congress, led by President-elect Joe Biden and House Speaker Nancy Pelosi, are calling for impeaching President Donald Trump from office after his supporters stormed the Capitol building last week.

Twitter's and Facebook's shares fell sharply today after banning Trump's accounts on their platforms.

To the oil market, WTI crude February futures rose less than 0.1% or 1 cent, and closed at $52.25 a barrel, after hitting a day high of $52.7 and a low of $51.5.

Brent March futures fell 0.6% or 33 cents, and closed at $55.66 a barrel, after hitting a high of $56.3 and a low of $54.9.

As for stocks, Dow Jones fell 0.3% or 89 points, and closed at 31,008, with a day high of 31,096, and a low of 30,832.

Nasdaq fell 1.2% or 165 points to 13,036 points, with a high of 13,138 and a low of 12,999.

S&P 500 fell 0.7% or 25 points to 3,799, after hitting a high of 3,817 and a low of 3,789.