Stocks making the biggest moves premarket: HAS, HIG, HAL, ROKU, VFC, GE, CSCO & more By: CNBC.com News October 23, 2017 at 07:45 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Aetna Halliburton Co Hartford Finl Services Gp Hasbro Roku Inc