TWTR - Atlassian Corporation Twitter leads premarket losers' pack

Bellicum Pharmaceuticals (BLCM) -34% after slashing headcount by 79%.Axovant Gene Therapies (AXGT) -29% in reaction to delays in enrollment in Parkinson's study with gene therapy.MicroVision (MVIS) -20% on Q3 earnings results.Twitter (TWTR) -16%. on Q3 earnings results.Universal Security Instruments (UUU) -14%.Polar Power (POLA) -12%.Pioneer Power Solutions (PPSI) -11%.Cellect Biotechnology (APOP) -11%.OPKO Health (OPK) -10% on Q3 earnings results.FirstEnergy (FE) -8% after an internal review related to government investigations determined that the executives violated company policies.NuVasive (NUVA) -8% on Q3 earnings results.Sunworks (SUNW) -7%.Atlassian Corporation (TEAM) -6% on FQ1 earnings release.Bloom Energy (BE) -6%. on Q3 earnings release.Neovasc (NVCN) -6%.

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Atlassian Corporation, Twitter leads premarket losers' pack