Why Is CrowdStrike Holdings ( $CRWD ) Stock Up +13.88% Today? (Find out why any stock moved today on Tickeron.) CrowdStrike Holdings (CRWD) surged roughly 13.9% on Monday, climbing to about $235.44 from Friday's close of $206.74. The rally was driven by weekend AI-safety warnings from Anthropic CEO Dario Amodei and OpenAI's Sam Altman, which triggered a rotation out of chipmakers and into cybersecurity software. $PANW $OKTA $FTNT $TENB $NOW