TheMarketAI SC 15 Index notched another strong month in September 2025, rising 6.4% to close at 127.12, extending its winning streak from August’s standout 7.7% gain. The total market cap of the 15 AI-focused small caps now tops $149 billion, led by Credo Technology Group and IonQ, which continue to anchor the index’s performance. The results highlight ongoing investor enthusiasm for the next generation of AI enablers—from hardware innovators to niche software platforms—posit