On August 19, Qnity Electronics Inc fell 5.29% in regular trading, trading at 128.51 USD/share, with turnover of $25.82 million. The semiconductor equipment sector declined collectively for the second consecutive trading day, with broad-based selling pressure dragging the stock further from its post-earnings highs.

On the news front, surging long-term US Treasury yields continued to pressure valuations of high-growth technology stocks, with the Philadelphia Semiconductor Index plunging nearly 5%. Funds rotated out of AI momentum plays into defensive assets, amplifying the sector-wide pullback. Within the Semiconductor Equipment sector, AXT Inc fell 8.62%, Lam Research fell 4.36%, KLA Corporation fell 3.52%, Applied Materials fell 3.42%, and ASML fell 2.23%.

The company reported strong Q2 results on August 4, with adjusted EPS of $1.19 beating consensus by 11%, revenue of $1.43 billion up 22% year-over-year, and full-year guidance raised above Street expectations. The stock had surged over 10% post-earnings but has since given back those gains amid the sector-wide de-rating driven by macro headwinds.

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