MarketWatch.com | Top Stories Follow 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. https://www.marketwatch.com/story/why-ciena-lumentum-and-other-optical-stocks-were-among-the-markets-biggest-losers-on-monday-b3e53f6a?mod=mw_rss_topstories marketwatch.com
