WISeSat.Space (SAIQ) shares were up 532% in Monday premarket activity after the WISeKey (WKEY) subsidiary completed its business combination with Columbus Acquisition on Friday.
Vaxcyte (PCVX) stock was 61% higher after the company said its VAX-31 pneumococcal vaccine met all primary immunogenicity endpoints in a phase 3 trial.
Stablecoin Development (SDEV) shares were up 37%, extending a 104% gain in the previous session.
Veea (VEEA) stock was 44% higher after the company disclosed in a regulatory filing that NLabs, a principal stockholder and affiliate of Veea's CEO, made $1.65 million in unsecured loans to the company.
PTC (PTC) shares were up 38% after the company said it will be acquired by Schneider Electric in an all-cash deal valued at $23.7 billion.