The US major averages (^DJI, ^IXIC, ^GSPC) reverse course and close Wednesday's session in negative territory. The Nasdaq Composite (^IXIC) and Russell 2000 (^RUT) both fell by over 1% as markets attempted to shake off unease from widespread sell-offs seen earlier this week.

Julie Hyman recaps the day's market activity after the closing bell and reviews the performance of various sectors and index leaders.

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This post was written by Luke Carberry Mogan.