Getty Images, Twist Bioscience, Portillo's among premarket losers' pack

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• Twist Bioscience (TWST) -20% after new short report from Scorpion Capital.
• AMMO (POWW) -19% on FQ2 earnings release.
• Versus Systems (VS) -16% on Q3 earnings release.
• ToughBuilt Industries (TBLT) -15% on Q3 earnings release.
• Ecovyst (ECVT) -14% on pricing upsized 17.5M secondary offering at $8.25/share.
• SkyWater Technology (SKYT) -13% on pricing ~$13.7M stock offering.
• Getty Images (GETY) -12% on Q3 earnings release.
• iSun (ISUN) -12% on Q3 earnings release.
• GAN (GAN) -10% on Q3 earnings disappoint, Jefferies downgrade.
• Portillo's (PTLO) -9% on 8M share offering.
• Snail (SNAL) -8%.
• Avenue Therapeutics (ATXI) -7%.
• Capital Southwest (CSWC) -6% on proposed $46.0M stock offering.
• Corsair Gaming (CRSR) -6% after pricing $75M stock offering.
• IonQ (IONQ) -5% on Q3 earnings release.