ARTH arch therapeutics, inc. AMEX ARTM amer nortel commun inc AMEX ARZGY assicurazioni generli adr AMEX ARZTY aryzta ag unsp/adr AMEX ASAZY assa abloy unsp/adr AMEX ASB associated banc-corp AMEX Major Banks ASBFY associated bri/f unsp/adr AMEX ASCC aristocrat grp corp AMEX ASCCY asics corp adr AMEX ASCK auscrete corp AMEX ASCN absecon bancorp AMEX ASEKY aisin corp unsp/adr AMEX ASGLY agc inc unsp/adr AMEX ASHTY ashted grp plc unsp/adr AMEX ASM avino silver & gold mines ltd. common shares (canada) AMEX Precious Metals ASMVY asmpt limited unsp/adr AMEX ASNB ekimas corporation AMEX ASOMY asos plc unsp/adr AMEX ASPU aspen group inc. AMEX Other Consumer Services ASXC asensus surgical, inc. AMEX ASXFY asx ltd unsp/adr AMEX ATA americas technology acquisition corp. ordinary shares AMEX ATAO altair international corp AMEX ATASY atlantia spa unsp/adr AMEX ATBPF antibe therapeutics inc AMEX ATGFF altagas ltd ord AMEX ATGSY autogrill spa unsp/adr AMEX ATHOF athabasca oil corp AMEX ATLKY atlas copco ab a s/adr AMEX ATNM actinium pharmaceuticals, inc. (delaware) AMEX Major Pharmaceuticals ATROB astronics corp b AMEX ATSAF ats corp cda AMEX ATUSF altius minerals corp AMEX ATVK atvrockn AMEX ATWT atwec techs inc AMEX ATYG atlas tech group inc AMEX AUCOY polymetal intl plc adr AMEX AUKNY auckland int arp s/adr AMEX AUKUF ams-osram ag AMEX AUMN golden minerals company AMEX Precious Metals AURI auri inc AMEX AUSI aura systems inc AMEX AUTLF austal ltd AMEX AVACF avance gas holding ltd AMEX AVBH avidbank holdings inc AMEX AVDX avidxchange holdings, inc. AMEX AVNI arvana inc AMEX AVOI advanced voice recognitn AMEX AVRW aventine renewable energy AMEX AVXL anavex life sciences corp. AMEX Biotechnology: Commercial Physical & Biological Resarch