Ambiq Micro is trading 5.4% up now at $65.74, moving alongside a strong semiconductor-sector rebound.
- SOXX is up 2.70% as investors respond to bullish long-term chip-market forecasts, resilient AI demand, softer Treasury yields, and lower oil prices.
- No clear company-specific announcement was identified for September 18, 2026.
- Ambiq’s latest listed release involved expanded Zephyr support for its Apollo330 Plus and Apollo510 Lite chips on September 8.