Palo Alto Networks is trading 3.01% down now at $348.94 as broad selling pressures technology and growth stocks on August 20, 2026.
- The Nasdaq Composite is down 1.05% and the S&P 500 is down 0.72%, as rising Treasury yields, higher oil prices, and defensive rotation weigh on risk appetite.
- Palo Alto Networks announced a positive NTT DATA AI-security alliance targeting $1 billion; no company-specific negative catalyst was identified.