Symantec Shares Tumble On Q4 Warning; How Is The Rest Of Security Faring? By: Benzinga via Benzinga April 28, 2016 at 13:30 PM EDT Shares of Symantec Corporation (NASDAQ: SYMC) fell as much as 8 percent after the cybersecurity solutions provider cut its ... Read More >> Related Stocks: Bio-Techne Corp Check Point Software Fireeye Inc Palo Alto Networks Inc Proofpoint Inc Qualys Inc Symantec Corp