ATAX america first multifamily investors, l.p. - beneficial unit certificates (bucs) representing limited partnership interests NASDAQ Finance: Consumer Services ATBPF antibe therapeutics inc AMEX ATC atotech limited common shares AMEX ATCO atlas corp. common shares NASDAQ ATCX atlas technical consultants, inc. - class a NASDAQ ATEC alphatec holdings, inc. NASDAQ Medical/Dental Instruments ATEK athena technology acquisition corp. ii class a NYSE ATEN a10 networks, inc. NYSE Computer Communications Equipment ATER aterian, inc. NASDAQ ATGE adtalem global education inc. NYSE Other Consumer Services ATGFF altagas ltd ord AMEX ATGN altigen communs inc NASDAQ ATGSY autogrill spa unsp/adr AMEX ATHA athira pharma, inc. NASDAQ ATHE alterity therapeutics limited - american depositary shares NASDAQ ATHM autohome inc. american depositary shares, each representing four class a ordinary shares. NYSE EDP Services ATHOF athabasca oil corp AMEX ATHX athersys, inc. NASDAQ Major Pharmaceuticals ATI ati inc. NYSE Steel/Iron Ore ATIF atif holdings limited - ordinary shares NASDAQ ATIP ati physical therapy, inc. class a NYSE ATKR atkore inc. NYSE Industrial Machinery/Components ATLC atlanticus holdings corporation NASDAQ Finance: Consumer Services ATLKY atlas copco ab a s/adr AMEX ATLO ames national corporation NASDAQ Major Banks ATMC alphatime acquisition corp NASDAQ ATMCU alphatime acquisition corp - unit NASDAQ ATMVU alphavest acquisition corp - unit NASDAQ ATNF 180 life sciences corp. NASDAQ ATNI atn international, inc. NASDAQ Telecommunications Equipment ATNM actinium pharmaceuticals, inc. (delaware) AMEX Major Pharmaceuticals ATNX athenex, inc. NASDAQ Major Pharmaceuticals ATO atmos energy corporation NYSE Oil/Gas Transmission ATOS atossa therapeutics, inc. NASDAQ Medical/Dental Instruments ATR aptargroup, inc. NYSE Plastic Products ATRA atara biotherapeutics, inc. NASDAQ Biotechnology: Biological Products (No Diagnostic Substances) ATRC atricure, inc. NASDAQ Medical/Dental Instruments ATRI atrion corporation NASDAQ Medical/Dental Instruments ATRO astronics corporation NASDAQ Military/Government/Technical ATROB astronics corp b AMEX ATRS antares pharma, inc. NASDAQ Medical/Dental Instruments ATSAF ats corp cda AMEX ATSG air transport services group, inc NASDAQ Air Freight/Delivery Services ATSPT archimedes tech spac partners co. - subunit NASDAQ ATSPU archimedes tech spac partners co. - unit NASDAQ ATTO atento s.a. ordinary shares NYSE Telecommunications Equipment ATUS altice usa, inc. class a NYSE Television Services ATUSF altius minerals corp AMEX ATVCU tribe capital growth corp i - units NASDAQ ATVI activision blizzard, inc NASDAQ Computer Software: Prepackaged Software