COHH is trading at $5.19, down 3.36%, in pre-market as AI-linked technology and semiconductor stocks face broad pressure. - U.S. chip shares weakened overnight, followed by sharp losses across Asian technology markets. - Investors questioned AI valuations, spending returns and competition; Nasdaq futures were also lower, adding pressure to growth-oriented shares. - Reports also cited weakness among optical peers, consistent with sector spillover rather than a confirmed COHH-specific catalyst.