COHR is trading 4.5% down at $345.03 after Nvidia’s $6.5 billion photonics investment triggered widespread volatility and repositioning across optical and photonics stocks.
- The stock continues to face pressure following a 4.1% decline to $361.47 on May 29, 2026, with pre-market activity signaling ongoing bearish sentiment.
- Investors are reassessing competitive dynamics and capital flows within the photonics ecosystem as the market adjusts to Nvidia's massive capital commitment.