NPK national presto industries, inc. NYSE Ordnance And Accessories NPKI npk international inc. NYSE NPO enpro inc. NYSE Metal Fabrications NPV nuveen virginia quality municipal income fund NYSE NPWR net power inc. class a NYSE NQP nuveen pennsylvania quality municipal income fund NYSE NR newpark resources, inc. NYSE Metal Fabrications NRC national research corporation NYSE NRDY nerdy inc. class a NYSE NREF nexpoint real estate finance, inc. NYSE NRG nrg energy, inc. NYSE Electric Utilities: Central NRGV energy vault holdings, inc. NYSE NRP natural resource partners lp limited partnership NYSE Coal Mining NRT north european oil royality trust NYSE Oil & Gas Production NRUC national rural utilities cooperative finance corporation 5.500% subordinated notes due 2064 (subordinated deferrable interest notes) NYSE NS nustar energy l.p. common units NYSE Natural Gas Distribution NSA national storage affiliates trust common shares of beneficial interest NYSE Real Estate Investment Trusts NSC norfolk southern corporation NYSE Railroads NSP insperity, inc. NYSE Professional Services NSTB northern star investment corp. ii class a common stock NYSE NSTD northern star investment corp. iv class a NYSE NTB bank of n.t. butterfield & son limited (the) voting ordinary shares NYSE Commercial Banks NTG tortoise midstream energy fund, inc. NYSE NTR nutrien ltd. common shares NYSE NTZ natuzzi, s.p.a. NYSE NU nu holdings ltd. NYSE NUE nucor corporation NYSE Steel/Iron Ore NUS nu skin enterprises, inc. NYSE Other Pharmaceuticals NUV nuveen municipal value fund, inc. NYSE NUVB nuvation bio inc. class a NYSE NUW nuveen amt-free municipal value fund NYSE NVGS navigator holdings ltd. ordinary shares (marshall islands) NYSE Marine Transportation NVO novo nordisk a/s NYSE Major Pharmaceuticals NVR nvr, inc. NYSE Homebuilding NVRI enviri corporation NYSE NVRO nevro corp. NYSE Medical/Dental Instruments NVS novartis ag NYSE Major Pharmaceuticals NVST envista holdings corporation NYSE NVT nvent electric plc ordinary shares NYSE NWE northwestern energy group, inc. NYSE Power Generation NWG natwest group plc american depositary shares NYSE NWL newell brands inc. NYSE Plastic Products NWN northwest natural holding company NYSE Oil/Gas Transmission NX quanex building products corporation NYSE Metal Fabrications NXC nuveen california select tax-free income portfolio NYSE NXDT nexpoint diversified real estate trust NYSE NXL nexalin technology, inc. NYSE NXN nuveen new york select tax-free income portfolio NYSE NXP nuveen select tax free income portfolio NYSE NXRT nexpoint residential trust, inc. NYSE Real Estate Investment Trusts