🟢 Ecovyst is trading 6.3% up in after-hours trading as major indexes gained more than 0.5%

Ecovyst is trading 6.34% up now at $10.84 after a strong September 3, 2026 market session and broad risk-on sentiment.

• The S&P 500, Nasdaq Composite, and Dow Jones each gained more than 0.5%.
• No fresh company-specific announcement was identified; Ecovyst’s investor-relations calendar lists no upcoming events.
• Recent earnings and guidance news was released August 5, not September 3.