NLOK - UBER NLOK among premarket gainers February, 07 2020 09:09 AM NortonLifeLock Inc. Assertio Therapeutics (NASDAQ:ASRT) +63% on buying Nucynta U.S. rights from Assertio in $375M deal.More news on: Assertio Therapeutics, Inc., Yield10 Bioscience, Inc., Telenav, Inc., Stocks on the move, Read more ...