ASML Holding, Stellantis, STMicroelectronics among premarket losers' pack

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• Siyata Mobile (SYTA) -11%.
• Revelation Biosciences (REVB) -10%.
• WPP (WPP) -9%.
• Micro Focus International (MFGP) -9%.
• Mereo BioPharma Group (MREO) -9%.
• Vinco Ventures (BBIG) -5%.
• Dun & Bradstreet Holdings (DNB) -7%.
• Mullen Automotive (MULN) -7%.
• Tuniu (TOUR) -7%.
• Omeros (OMER) -6%.
• Aegon (AEG) -6%.
• STMicroelectronics (STM) -6%.
• Stellantis (STLA) -6% as semiconductor shortage weighs heavy again.
• Niu (NIU) -6% on reporting sales volume down 17.4% in Q2.
• Tenon Medical (TNON) -6%.
• CEL-SCI (CVM) -6%.
• Carnival Corporation (CUK) -6%.
• ASML Holding (ASML) -6% after Micron's weak guidance sends sector tumbling.
• ArcelorMittal (MT) -5%.
• Borr Drilling (BORR) -5%.