Why a Stock moved Up Today +11.55%: $CIEN Ciena jumped to $303.53 from a $272.10 close as optical-networking stocks rallied after CoreWeave's strong AI-infrast

Why a Stock moved Up Today +11.55%: $CIEN Ciena jumped to $303.53 from a $272.10 close as optical-networking stocks rallied after CoreWeave's strong AI-infrastructure results eased fears about data-center spending. Ciena's own fundamentals helped: recent quarterly revenue was about $1.67 billion, u…