The Nasdaq led the market’s weak start to the final week of September as investors continue to fret about the possibility of military conflict between the U.S. and North Korea.
Investors also seem frustrated with the inability of Congress to pass meaningful reforms in either health care regulations or in the American tax code.
The tech-driven Nasdaq composite lost 0.9%, its worst decline since a 1.9% sell-off on Aug. 17. At one point the index was down as much as 1.3%.