Hub Cyber Security (HUBC) shares plunged 24% in recent Wednesday premarket activity, a day after saying it received a Nasdaq delisting notice due to its failure to meet the minimum bid price requirement for continued listing.
United-Guardian (UG) stock fell 24%, erasing the previous session's rise.
Universal Electronics (UEIC) shares were 9% lower, reversing Tuesday's gain.
Johnson & Johnson (JNJ) stock slipped 2% after it posted lower fiscal Q4 adjusted earnings compared with a year earlier.
Ford Motor (F) shares were down nearly 2% after Barclays downgraded it to equal weight from overweight and lowered its price target to $11 from $13.