Dow set to fall 600 points at the open after market posts worst first quarter on record This is a developing news story. Please check back for updates: https://www.cnbc.com/2020/03/31/stock-market-futures-open-to-close-news.html Follow @CNBCnow for breaking news and real-time market updates Unsubscribe Manage Newsletters Terms of Service Join the CNBC Panel Digital Products Feedback Privacy Policy CNBC Events © 2020 CNBC LLC. All rights reserved. A property of NBCUniversal. 900 Sylvan Avenue, Englewood Cliffs, NJ 07632 Data is a real-time snapshot *Data is d