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BullishHIGH severityTech & AI20d ago

Applied Optoelectronics Rockets 17%, Coherent Climbs 11%, Lumentum Gains 6% on Reported U.S. Ban of Chinese Optics

Reported by Yahoo Finance · finance.yahoo.com · August 4, 2026

A reported U.S. ban on Chinese data center optical hardware sent a handful of domestic suppliers rocketing higher, but the proposal is still a draft and could be softened or dropped entirely before the year-end enforcement target.

What the tape says

What to watch: This report cites a concrete figure (17%) — compare it against the trailing trend before treating one data point as a turning point.

Change
17%
Change
11%
Change
6%

Market reaction today: $USB +0.60%

Tone and severity are deterministic keyword classification — not a prediction, a member vote, or a recommendation. Figures are extracted from the headline as published. Wook does not republish Yahoo Finance's reporting.

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