Mattel (MAT) stock was down 26% pre-bell Wednesday after the company reported late Tuesday Q4 adjusted earnings and sales that trailed analysts' estimates.
Unity Software (U) shares were 24% lower after the company issued Q1 revenue guidance that trailed analysts' projections.
Rapid7 (RPD) stock was down 23%, a day after the company reported lower Q4 non-GAAP earnings.
Founder Group (FGL) shares were 22% lower, paring Tuesday's rally.