Guidewire Software is trading 13.6% down in after-hours trading at $153.53 amid broad technology-led selling, after closing at $177.78 on August 18, 2026.
- No new earnings release or material company-specific announcement was identified; the latest company news was its August 3 Qusar AI-agent release.
- Oppenheimer raised its target to $200 from $180 and maintained Outperform.
- The decline appears aligned with surging Treasury yields, geopolitical uncertainty and weaker futures; the S&P 500 and Nasdaq were down 0.68% and 1.56%, respectively.