Date,Symbol,Name,Last Sale,Net Change,% Change,Market Cap,Country,IPO Year,Volume,Sector,Industry 20250729,BIIB,Biogen Inc. Common Stock,$127.90,-1.38,-1.067%,18740909713.0,United States,nan,1108215,Health Care,Biotechnology: Biological Products (No Diagnostic Substances) 20250730,BIIB,Biogen Inc. Common Stock,$126.64,-1.26,-0.985%,18556284644.0,United States,nan,1891495,Health Care,Biotechnology: Biological Products (No Diagnostic Substances) 20250731,BIIB,Biogen Inc. Common Stock,$128.00,1.36,1.074%,18755562496.0,United States,nan,3239731,Health Care,Biotechnology: Biological Products (No Diagnostic Substances)