NWBI northwest bancshares, inc. NASDAQ Major Banks NWFL norwood financial corp. NASDAQ Major Banks NEU newmarket corp NYSE Major Chemicals NGVT ingevity corporation NYSE Major Chemicals NL nl industries, inc. NYSE Major Chemicals NATR nature's sunshine products, inc. NASDAQ Major Pharmaceuticals NBY novabay pharmaceuticals, inc. AMEX Major Pharmaceuticals NEPT neptune wellness solutions inc. - ordinary shares NASDAQ Major Pharmaceuticals NERV minerva neurosciences, inc NASDAQ Major Pharmaceuticals NKTR nektar therapeutics NASDAQ Major Pharmaceuticals NTRP nexttrip, inc. AMEX Major Pharmaceuticals NVO novo nordisk a/s NYSE Major Pharmaceuticals NVS novartis ag NYSE Major Pharmaceuticals NAT nordic american tankers limited NYSE Marine Transportation NCLH norwegian cruise line holdings ltd. ordinary shares NASDAQ Marine Transportation NM navios maritime holdings inc. NYSE Marine Transportation NMM navios maritime partners lp common units representing limited partner interests NYSE Marine Transportation NVGS navigator holdings ltd. ordinary shares (marshall islands) NYSE Marine Transportation NTRA natera, inc. NASDAQ Medical Specialities NVTA invitae corporation NYSE Medical Specialities NSPR inspiremd inc. AMEX Medical/Dental Instruments NURO neurometrix, inc. NASDAQ Medical/Dental Instruments NVCR novocure limited - ordinary shares NASDAQ Medical/Dental Instruments NVIV invivo therapeutics holdings corp. NASDAQ Medical/Dental Instruments NVRO nevro corp. NYSE Medical/Dental Instruments NNBR nn, inc. NASDAQ Metal Fabrications NOV nov inc. NYSE Metal Fabrications NPO enpro inc. NYSE Metal Fabrications NR newpark resources, inc. NYSE Metal Fabrications NX quanex building products corporation NYSE Metal Fabrications NTIP network-1 technologies, inc. AMEX Multi-Sector Companies NGG national grid transco, plc national grid plc (new) american depositary shares NYSE Natural Gas Distribution NS nustar energy l.p. common units NYSE Natural Gas Distribution NWS news corporation - class b NASDAQ Newspapers/Magazines NWSA news corporation - class a NASDAQ Newspapers/Magazines NYT new york times company (the) NYSE Newspapers/Magazines NBR nabors industries ltd. NYSE Oil & Gas Production NE noble corporation plc a ordinary shares NYSE Oil & Gas Production NEXT nextdecade corporation NASDAQ Oil & Gas Production NOG northern oil and gas, inc. AMEX Oil & Gas Production NRT north european oil royality trust NYSE Oil & Gas Production NGL ngl energy partners lp common units representing limited partner interests NYSE Oil Refining/Marketing NFG national fuel gas company NYSE Oil/Gas Transmission NJR newjersey resources corporation NYSE Oil/Gas Transmission NWN northwest natural holding company NYSE Oil/Gas Transmission NCSM ncs multistage holdings, inc. NASDAQ Oilfield Services/Equipment NGS natural gas services group, inc. NYSE Oilfield Services/Equipment NOA north american construction group ltd. common shares (no par) NYSE Oilfield Services/Equipment NPK national presto industries, inc. NYSE Ordnance And Accessories NORD nordicus partners corp NYSE Other Consumer Services