CLAIRE, Ill.

— The Chicago Stock Exchange is down more than 20 percent in early trading as President-elect Donald Trump takes the oath of office.

The Dow Jones Industrial Average and the S&P 500 are down more.

Trading has been sluggish since Trump’s election win and it hasn’t returned to normal since Friday afternoon, with stocks dropping to their lowest levels in more than a year.

Stock markets are open Monday through Wednesday, but trading is expected to be more subdued.

The Dow dropped more than 10 percent after trading at its record high on Dec. 10.

It has fallen more than 8 percent since then.

The S&P 500 has fallen 11.7 percent.

The Nasdaq has fallen 17.5 percent.