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Tuesday, 27 October 2026

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

Markets Brief gilt-and-policy note (2026-10-12): 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… Primary source: original at MarketWatch (marketwatch.com).

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.

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