DJCO daily journal corp. (s.c.) NASDAQ Newspapers/Magazines NWS news corporation - class b NASDAQ Newspapers/Magazines NWSA news corporation - class a NASDAQ Newspapers/Magazines CLNE clean energy fuels corp. NASDAQ Natural Gas Distribution ACTG acacia research corporation NASDAQ Multi-Sector Companies APPS digital turbine, inc. NASDAQ Multi-Sector Companies IDCC interdigital, inc. NASDAQ Multi-Sector Companies JYNT the joint corp. NASDAQ Multi-Sector Companies MARA mara holdings, inc. NASDAQ Multi-Sector Companies REFR research frontiers incorporated NASDAQ Multi-Sector Companies CSSE chicken soup for the soul entertainment, inc. - class a NASDAQ Movies/Entertainment GAIA gaia, inc. - class a NASDAQ Movies/Entertainment RDI reading international inc - class a non-voting NASDAQ Movies/Entertainment FOXF fox factory holding corp. NASDAQ Motor Vehicles LKQ lkq corporation NASDAQ Motor Vehicles USLM united states lime & minerals, inc. NASDAQ Mining & Quarrying of Nonmetallic Minerals (No Fuels) ASTC astrotech corporation NASDAQ Military/Government/Technical ATRO astronics corporation NASDAQ Military/Government/Technical ENG englobal corporation NASDAQ Military/Government/Technical ESLT elbit systems ltd. - ordinary shares NASDAQ Military/Government/Technical GLDD great lakes dredge & dock corporation NASDAQ Military/Government/Technical KTOS kratos defense & security solutions, inc. NASDAQ Military/Government/Technical STRL sterling infrastructure, inc. NASDAQ Military/Government/Technical TTEK tetra tech, inc. NASDAQ Military/Government/Technical VSEC vse corporation NASDAQ Military/Government/Technical WLDN willdan group, inc. NASDAQ Military/Government/Technical AQMS aqua metals, inc. NASDAQ Metal Fabrications BWEN broadwind, inc. NASDAQ Metal Fabrications FSTR l.b. foster company NASDAQ Metal Fabrications GIFI gulf island fabrication, inc. NASDAQ Metal Fabrications GSM ferroglobe plc - ordinary shares NASDAQ Metal Fabrications GTLS chart industries, inc. NASDAQ Metal Fabrications HIHO highway holdings limited NASDAQ Metal Fabrications KALU kaiser aluminum corporation NASDAQ Metal Fabrications MATW matthews international corporation - class a NASDAQ Metal Fabrications NNBR nn, inc. NASDAQ Metal Fabrications PFIE profire energy, inc. NASDAQ Metal Fabrications WIRE encore wire corporation NASDAQ Metal Fabrications ZEUS olympic steel, inc. NASDAQ Metal Fabrications ADUS addus homecare corporation NASDAQ Medical/Nursing Services AMED amedisys inc NASDAQ Medical/Nursing Services PETS petmed express, inc. NASDAQ Medical/Nursing Services WBA walgreens boots alliance, inc. NASDAQ Medical/Nursing Services ANGO angiodynamics, inc. NASDAQ Medical/Dental Instruments ANIK anika therapeutics inc. NASDAQ Medical/Dental Instruments ARAY accuray incorporated NASDAQ Medical/Dental Instruments ATEC alphatec holdings, inc. NASDAQ Medical/Dental Instruments ATOS atossa therapeutics, inc. NASDAQ Medical/Dental Instruments ATRC atricure, inc. NASDAQ Medical/Dental Instruments ATRI atrion corporation NASDAQ Medical/Dental Instruments