On July 28, Lumentum fell 5.9% in regular trading, trading at $651.21/share, with turnover of $3.24 billion. The decline extends a nearly 7% drop from the prior session as concerns over AI infrastructure capital expenditure pacing continue to weigh on the optical communications sector.

Market sentiment has shifted from the high-investment AI buildout narrative toward more cautious pricing, reflecting uncertainty around returns on massive hardware spending. The sector showed broad-based weakness, with Applied Optoelectronics down 9.4%, Ciena down 7.65%, Nokia down 4.49%, and Arista Networks down 4.21%. Coherent and other optical peers also traded lower in tandem.

On the institutional side, Barclays recently upgraded Lumentum to Overweight with a $1,000 price target, while JPMorgan maintains an Overweight rating with a target of $1,165. The company is scheduled to report earnings on August 11 after market close, with consensus EPS expectations of $2.62.

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