Stocks making the biggest moves midday: Marvell, Zscaler, United Airlines, Bath & Body Works & more

Travel stocks including United Airlines (up 7%) and Delta Air Lines (up 4%) gained as oil prices fell nearly 4%. Dycom Industries surged about 30% after raising its full-year revenue outlook and announcing an acquisition to expand its data center capabilities. Zscaler shares dropped more than 30% despite beating earnings estimates, due to slightly lower-than-expected guidance for current-quarter revenue, which also dragged down cybersecurity peers Palo Alto Networks and CrowdStrike.