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 ATH athene holding ltd. class a common shares NYSE Life Insurance 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 ATHN athena technology acquisition corp. class a NASDAQ Business Services ATHOF athabasca oil corp AMEX ATHX athersys, inc. NASDAQ Major Pharmaceuticals ATI allegheny technologies incorporated 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 ATMR altimar acquisition corp. ii class a ordinary shares 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 automated tooling 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 ATTBF abattis bioceuticals ord AMEX ATTO atento s.a. ordinary shares NYSE Telecommunications Equipment ATURF sixth wave innovations AMEX ATUS altice usa, inc. class a NYSE Television Services ATUSF altius minerals corp AMEX ATV acorn intl NYSE Other Specialty Stores ATVC tribe capital growth corp i - class a common stock NASDAQ ATVCU tribe capital growth corp i - units NASDAQ ATVI activision blizzard, inc NASDAQ Computer Software: Prepackaged Software ATVK atvrockn AMEX ATWT atwec techs inc AMEX ATXI avenue therapeutics, inc. NASDAQ Major Pharmaceuticals ATXS astria therapeutics, inc. NASDAQ