LOPE grand canyon education, inc. NASDAQ Other Consumer Services NVEE nv5 global, inc. NASDAQ Other Consumer Services PFMT performant financial corporation NASDAQ Other Consumer Services PINC premier, inc. - class a NASDAQ Other Consumer Services SERV serve robotics inc. NASDAQ Other Consumer Services STRA strategic education, inc. NASDAQ Other Consumer Services STAA staar surgical company NASDAQ Ophthalmic Goods NCSM ncs multistage holdings, inc. NASDAQ Oilfield Services/Equipment PUMP propetro holding corp. NASDAQ Oilfield Services/Equipment RCON recon technology, ltd. - class a ordinary shares NASDAQ Oilfield Services/Equipment TUSK mammoth energy services, inc. NASDAQ Oilfield Services/Equipment CHRW c.h. robinson worldwide, inc. NASDAQ Oil Refining/Marketing EXPD expeditors international of washington, inc. NASDAQ Oil Refining/Marketing FWRD forward air corporation NASDAQ Oil Refining/Marketing HUBG hub group, inc. - class a NASDAQ Oil Refining/Marketing MMLP martin midstream partners l.p. - common units representing limited partnership interests NASDAQ Oil Refining/Marketing DMLP dorchester minerals, l.p. - common units representing limited partnership interests NASDAQ Oil & Gas Production DWSN dawson geophysical company NASDAQ Oil & Gas Production FANG diamondback energy, inc. - commmon stock NASDAQ Oil & Gas Production GPOR gulfport energy corporation common shares NASDAQ Oil & Gas Production ISRL israel acquisitions corp - class a ordinary shares NASDAQ Oil & Gas Production LGCY legacy education inc. NASDAQ Oil & Gas Production MARPS marine petroleum trust - units of beneficial interest NASDAQ Oil & Gas Production NEXT nextdecade corporation NASDAQ Oil & Gas Production PNRG primeenergy resources corporation NASDAQ Oil & Gas Production PTEN patterson-uti energy, inc. NASDAQ Oil & Gas Production RGCO rgc resources inc. NASDAQ Oil & Gas Production USEG u.s. energy corp. NASDAQ Oil & Gas Production VNOM viper energy partners lp - common unit NASDAQ Oil & Gas Production 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 marathon digital holdings, inc. NASDAQ Multi-Sector Companies REFR research frontiers incorporated NASDAQ Multi-Sector Companies TAX cambria tax aware etf NASDAQ Multi-Sector Companies 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