08:02 AM EDT, 05/01/2025 (MT Newswires) -- Arvinas ( ARVN ) shares slumped 26% pre-bell Thursday after the company said it will cut its workforce to reduce costs and reprioritize its vepdegestrant development plan.

Westport Fuel Systems ( WPRT ) shares slumped 20%, a day after the company said it has entered into lock-up agreements with certain shareholders related to the sale of Westport Fuel Systems Italia.

Organon (OGN) stock was down 14% after the company reported lower Q1 adjusted earnings and revenue.