Date,Symbol,Name,Last Sale,Net Change,% Change,Market Cap,Country,IPO Year,Volume,Sector,Industry 20250729,NL,NL Industries Inc. Common Stock,$6.60,-0.03,-0.452%,322395044.0,United States,nan,44803,Industrials,Major Chemicals 20250730,NL,NL Industries Inc. Common Stock,$6.35,-0.25,-3.788%,310183111.0,United States,nan,20565,Industrials,Major Chemicals 20250731,NL,NL Industries Inc. Common Stock,$6.17,-0.18,-2.835%,301390519.0,United States,nan,73237,Industrials,Major Chemicals