Stocks post best annual gain in 6 years with the S&P 500 surging more than 28% This is a developing news story. Please check back for updates: https://www.cnbc.com/2019/12/31/dow-futures-last-trading-day-of-2019.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 © 2019 CNBC LLC. All rights reserved. A property of NBCUniversal. 900 Sylvan Avenue, Englewood Cliffs, NJ 07632 Data is a real-ti...