QEPC q.e.p. co inc NASDAQ QDEL quidel corporation NASDAQ Biotechnology: In Vitro & In Vivo Diagnostic Substances QD qudian inc. american depositary shares, each representing one class a ordinary share AMEX QCRH qcr holdings, inc. NASDAQ Major Banks QCOM qualcomm incorporated NASDAQ Radio And Television Broadcasting And Communications Equipment QCLS q/c technologies, inc. NASDAQ QBTS d-wave quantum inc. common shares NYSE QBIEY qbe insurance gp s/adr AMEX QBCRF quebecor inc b AMEX QBAK qualstar corp NASDAQ Electronic Components QB proshares nasdaq-100 dynamic buffer etf NASDAQ QABSY qantas air ltd s/adr new AMEX Q qnity electronics, inc. NYSE Biotechnology: Commercial Physical & Biological Resarch