B · Normal On October 21, the U.S. optical communications sector generally rose before the market opened. Coherent rose 4.6%, Lumentum rose 4.5%, and Corning and Marvell Technology rose more than 3%. U.S. stock trends 🕐 2026-10-21 16:08 #U.S. stock trends 🖼️ Save as Image Generate a beautiful long image to share on Moments or in group chats Generate now ⬇ Share 🔗Copy Link 📘Facebook 🐦X (Twitter) 💬WhatsApp 💼LinkedIn 👽Reddit ← Back to Telegraph
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