Palo Alto Networks shares surge after earnings, Napco Security tumbles and extra shares on the transfer

Here are a few of the largest movers forward of Monday’s open:

Stock gainers:

Shares of Palo Alto Networks Inc.
PANW,
+1.02%
surged 8% after the cybersecurity firm’s uncommon late Friday report revealed earnings and a billings outlook above Street estimates as AI-backed cyberattacks rise and the Securities and Exchange Commission seeks faster reporting from firms on materials assaults.