Date,Symbol,Name,Last Sale,Net Change,% Change,Market Cap,Country,IPO Year,Volume,Sector,Industry 20250729,NEU,NewMarket Corp Common Stock,$687.65,-7.31,-1.052%,6487638051.0,United States,nan,82488,Industrials,Major Chemicals 20250730,NEU,NewMarket Corp Common Stock,$680.50,-7.15,-1.04%,6420181333.0,United States,nan,101874,Industrials,Major Chemicals 20250731,NEU,NewMarket Corp Common Stock,$687.00,6.5,0.955%,6481505622.0,United States,nan,111334,Industrials,Major Chemicals