On August 18, Corning fell 6.98% in regular trading, trading at $162.41/share, with turnover of $53.98 million. The stock declined alongside a broad sell-off across optical communication and storage sectors.

On the news front, global long-term bond yields surged to multi-year highs, directly pressuring high-capex AI hardware stocks sensitive to discount rates. Simultaneously, DoubleLine Capital CEO Jeffrey Gundlach warned that Nvidia's coordinated effort with major financial institutions to raise over $500 billion for AI infrastructure could signal a peak in AI hype. Investor Michael Burry also reiterated concerns about over-investment in AI chips that could rapidly become obsolete due to technology iteration.

Among sector peers, Coherent fell over 6%, Lumentum and Coherent dropped over 6%, while storage names including Western Digital and SanDisk fell over 6%. Corning had experienced approximately 45% correction in July and briefly rebounded 3.44% on the prior trading day supported by a Truist Securities upgrade to Buy with a $175 target, but the recovery was short-lived as sector-wide selling pressure resumed.

(The above content is based on publicly available market information, generated by a program or algorithm, and is intended solely as a stock movement alert. It does not constitute investment advice or a basis for trading decisions.)