Duos Technologies Group (DUOT) shares were down 14% pre-bell Thursday following a 1.8% fall in the previous session.
General Motors (GM) stock was 6.4% lower after US President Donald Trump imposed a 25% tariff on imported cars and auto parts.
GameStop (GME) shares were down 6% after the company unveiled a private offering of $1.3 billion convertible senior notes due 2030.