ACM aecom NYSE Military/Government/Technical AIRI air industries group AMEX Military/Government/Technical ASTC astrotech corporation NASDAQ Military/Government/Technical ATRO astronics corporation NASDAQ Military/Government/Technical AA alcoa corporation NYSE Metal Fabrications AQMS aqua metals, inc. NASDAQ Metal Fabrications ADUS addus homecare corporation NASDAQ Medical/Nursing Services AMED amedisys inc NASDAQ Medical/Nursing Services ANGO angiodynamics, inc. NASDAQ Medical/Dental Instruments ANIK anika therapeutics inc. NASDAQ Medical/Dental Instruments ARAY accuray incorporated NASDAQ Medical/Dental Instruments ATEC alphatec holdings, inc. NASDAQ Medical/Dental Instruments ATOS atossa therapeutics, inc. NASDAQ Medical/Dental Instruments ATRC atricure, inc. NASDAQ Medical/Dental Instruments ATRI atrion corporation NASDAQ Medical/Dental Instruments AVGR avinger, inc. NASDAQ Medical/Dental Instruments ACHC acadia healthcare company, inc. NASDAQ Medical Specialities AMS american shared hospital services AMEX Medical Specialities ANTX an2 therapeutics, inc. NYSE Medical Specialities ASC ardmore shipping corporation NYSE Marine Transportation ABBV abbvie inc. NYSE Major Pharmaceuticals ABEO abeona therapeutics inc. NASDAQ Major Pharmaceuticals ABT abbott laboratories NYSE Major Pharmaceuticals ABUS arbutus biopharma corporation NASDAQ Major Pharmaceuticals ACAD acadia pharmaceuticals inc. NASDAQ Major Pharmaceuticals ACIU ac immune sa NASDAQ Major Pharmaceuticals ACRS aclaris therapeutics, inc. NASDAQ Major Pharmaceuticals ACRX acelrx pharmaceuticals, inc. NASDAQ Major Pharmaceuticals ACST acasti pharma, inc. NASDAQ Major Pharmaceuticals ADXS advaxis, inc. NASDAQ Major Pharmaceuticals AEZS aeterna zentaris inc. NASDAQ Major Pharmaceuticals AFMD affimed n.v. NASDAQ Major Pharmaceuticals AGIO agios pharmaceuticals, inc. NASDAQ Major Pharmaceuticals AGLE aeglea biotherapeutics, inc. NASDAQ Major Pharmaceuticals AGRX agile therapeutics, inc. NASDAQ Major Pharmaceuticals AKBA akebia therapeutics, inc. NASDAQ Major Pharmaceuticals AKTX akari therapeutics plc - american depositary shares NASDAQ Major Pharmaceuticals ALDX aldeyra therapeutics, inc. NASDAQ Major Pharmaceuticals ALIM alimera sciences, inc. NASDAQ Major Pharmaceuticals ALKS alkermes plc - ordinary shares NASDAQ Major Pharmaceuticals ALNY alnylam pharmaceuticals, inc. NASDAQ Major Pharmaceuticals ALRN aileron therapeutics, inc. NASDAQ Major Pharmaceuticals ALT altimmune, inc. AMEX Major Pharmaceuticals AMPE ampio pharmaceuticals, inc. NASDAQ Major Pharmaceuticals AMPH amphastar pharmaceuticals, inc. NASDAQ Major Pharmaceuticals AMRN amarin corporation plc - american depositary shares, each representing one ordinary share NASDAQ Major Pharmaceuticals ANAB anaptysbio, inc. NASDAQ Major Pharmaceuticals ANIP ani pharmaceuticals, inc. NASDAQ Major Pharmaceuticals APVO aptevo therapeutics inc. NASDAQ Major Pharmaceuticals ARDX ardelyx, inc. NASDAQ Major Pharmaceuticals