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Business

Why Ciena, Lumentum and other optical stocks were among the market’s biggest losers on Monday

MarketWatch · October 12, 2026 at 4:46 PM

Why Ciena, Lumentum and other optical stocks were among the market’s biggest losers on Monday

The sharp moves could partly be a reaction to recent cautious commentary on AI spending.

Read the full article on MarketWatch ›

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