Stocks turned lower in afternoon trading, and that pressure continued through Friday. The S&P 500 fell as much as 1.6%, and has now given back more than half of its torrid 4% post-election gain. The Nasdaq Composite dropped 2.7% at intraday lows.

The stock market's "Trump bump" that followed his victory over Vice President Kamala Harris in last week's election appears to be coming to an end. On Friday, the market dropped to its lowest point since the election,