These companies had the highest dollar trading volume of any Cybersecurity stocks within the last several days. Get alerts:Palo Alto Networks (PANW)Palo Alto Networks, Inc. provides cybersecurity solutions worldwide. The company offers firewall appliances and software; and Panorama, a security management solution for the global control of network security platform as a virtual or a physical appliance. Fortinet (FTNT)Fortinet, Inc. provides cybersecurity and convergence of networking and security solutions worldwide. Read Our Latest Research Report on FTNTCrowdStrike (CRWD)CrowdStrike Holdings, Inc. provides cybersecurity solutions in the United States and internationally.