Date,Symbol,Name,Last Sale,Net Change,% Change,Market Cap,Country,IPO Year,Volume,Sector,Industry 20250729,NWN,Northwest Natural Holding Company Common Stock,$40.62,0.12,0.296%,1637382451.0,United States,nan,216332,Utilities,Oil/Gas Transmission 20250730,NWN,Northwest Natural Holding Company Common Stock,$40.60,-0.02,-0.049%,1636576256.0,United States,nan,232993,Utilities,Oil/Gas Transmission 20250731,NWN,Northwest Natural Holding Company Common Stock,$39.92,-0.68,-1.675%,1609165619.0,United States,nan,286417,Utilities,Oil/Gas Transmission