Gina Francolla is the Senior Producer of Quantitative & Market Data Services at CNBC.
Infrastructure stocks fell as worries grew about economic growth and the feasibility of the Trump administration's stimulus promises.
One of the most popular post-election trades just lost all its 2017 gains.
The U.S. presidential election this week sent some stock sectors surging and others plunging as investors moved their money around.
The Dow Jones industrial average may have hit all-time highs on Thursday, but it's still far behind the Russell 2000 for the week.
Share of Apple's stock closed higher for the seventh consecutive day on Wednesday, lifting the Dow Jones industrial average.
Friday was a day of superlatives for the financial markets with stocks, oil and bonds all posting significant negative milestones.