🔴 Coherent is trading 5% down in pre-market as profit-taking appears to follow a volatile advance

Coherent is trading 5% down at $333.80, as profit-taking continues after a volatile advance; the specific catalyst remains unconfirmed.

• Shares rose 7.79% on August 17.
• Semiconductor customers began sampling Coherent’s new 300mm high-thermal-conductivity SiC substrates, helping drive Monday’s rally before shares pared gains overnight.
• No fresh negative company announcement, earnings update, or analyst action clearly explains the August 18 pre-market decline.