Nova is trading 4.4% down at $402.19 amid broader market risk-off pressure.
- The Nasdaq Composite is down 1.07%, while geopolitical tensions are keeping investors cautious.
- No clear company-specific announcement dated August 18, 2026 was identified.
- Nova’s latest disclosed events were strong second-quarter results announced August 6 and investor-conference participation scheduled for August 19; neither directly explains today’s decline.