Xanadu Quantum Technologies (XNDU) shares were down 67% in Monday premarket activity, paring Friday's rally.
Origin Materials (ORGN) stock was 43% lower after the company said Friday its board decided to sell its PET cap technology and other remaining assets and to wind down operations.
Cogent Communications (CCOI) shares were down 21% after the company posted lower Q1 service revenue that also trailed analysts' forecasts.
Urban One (UONE) stock was 9.7% lower after the company said Friday it signed an agreement to acquire Service Broadcasting Group and sell its KZMJ radio station to Fuzion Dallas.
Norwegian Cruise Line (NCLH) shares were down 6% after the company issued lower-than-expected Q2 adjusted earnings guidance and trimmed its 2026 adjusted EPS outlook.