IBIO ibio, inc. AMEX Major Pharmaceuticals MNK mallinckrodt plc AMEX Major Pharmaceuticals MTNB matinas biopharma holdings, inc. AMEX Major Pharmaceuticals NBY novabay pharmaceuticals, inc. AMEX Major Pharmaceuticals NTRP nexttrip, inc. AMEX Major Pharmaceuticals OGEN oragenics inc. AMEX Major Pharmaceuticals PTN palatin technologies, inc. AMEX Major Pharmaceuticals SNGX soligenix, inc. AMEX Major Pharmaceuticals TXMD therapeuticsmd, inc. AMEX Major Pharmaceuticals XBIO xenetic biosciences, inc. AMEX Major Pharmaceuticals AMS american shared hospital services AMEX Medical Specialities BMRA biomerica, inc. AMEX Medical/Dental Instruments DRIO dariohealth corp. AMEX Medical/Dental Instruments DXR daxor corporation AMEX Medical/Dental Instruments INFU infusystems holdings, inc. AMEX Medical/Dental Instruments INO inovio pharmaceuticals, inc. AMEX Medical/Dental Instruments NSPR inspiremd inc. AMEX Medical/Dental Instruments RVP retractable technologies, inc. AMEX Medical/Dental Instruments UAMY united states antimony corporation AMEX Metal Fabrications AIRI air industries group AMEX Military/Government/Technical CVU cpi aerostructures, inc. AMEX Military/Government/Technical LEU centrus energy corp. class a AMEX Mining & Quarrying of Nonmetallic Minerals (No Fuels) SND smart sand, inc. AMEX Mining & Quarrying of Nonmetallic Minerals (No Fuels) UUUU energy fuels inc ordinary shares (canada) AMEX Mining & Quarrying of Nonmetallic Minerals (No Fuels) AMC amc entertainment holdings, inc. class a AMEX Movies/Entertainment NTIP network-1 technologies, inc. AMEX Multi-Sector Companies VHC virnetx holding corp AMEX Multi-Sector Companies XELB xcel brands, inc AMEX Multi-Sector Companies BRN barnwell industries, inc. AMEX Oil & Gas Production BSM black stone minerals, l.p. common units representing limited partner interests AMEX Oil & Gas Production CKX ckx lands, inc. AMEX Oil & Gas Production CRC california resources corporation AMEX Oil & Gas Production EPM evolution petroleum corporation, inc. AMEX Oil & Gas Production GBR new concept energy, inc AMEX Oil & Gas Production GTE gran tierra energy inc. AMEX Oil & Gas Production HUSA houston american energy corporation AMEX Oil & Gas Production MXC mexco energy corporation AMEX Oil & Gas Production NOG northern oil and gas, inc. AMEX Oil & Gas Production PARR par pacific holdings, inc. AMEX Oil & Gas Production PED pedevco corp. AMEX Oil & Gas Production REI ring energy, inc. AMEX Oil & Gas Production CYRX cryoport, inc. AMEX Oil Refining/Marketing RLGT radiant logistics, inc. AMEX Oil Refining/Marketing CQP cheniere energy partners, lp common units AMEX Oil/Gas Transmission LNG cheniere energy, inc. AMEX Oil/Gas Transmission ENSV enservco corp AMEX Oilfield Services/Equipment ASPU aspen group inc. AMEX Other Consumer Services EVI evi industries, inc. AMEX Other Consumer Services GHC graham holdings company AMEX Other Consumer Services CMT core molding technologies inc AMEX Plastic Products