ZYXI zynex, inc. AMEX Z zillow group, inc. - class c capital stock NASDAQ Business Services ZG zillow group, inc. - class a NASDAQ Business Services ZUMZ zumiez inc. NASDAQ Clothing/Shoe/Accessory Stores ZDGE zedge, inc. class b AMEX Computer Software: Prepackaged Software ZBRA zebra technologies corporation - class a NASDAQ Industrial Machinery/Components ZBH zimmer biomet holdings, inc. NYSE Industrial Specialties ZION zions bancorporation n.a. NASDAQ Major Banks ZTS zoetis inc. class a NYSE Major Pharmaceuticals ZYME zymeworks inc. NYSE Major Pharmaceuticals ZEUS olympic steel, inc. NASDAQ Metal Fabrications ZTO zto express (cayman) inc. american depositary shares, each representing one class a ordinary share. NYSE Trucking Freight/Courier Services