Date,Symbol,Name,Last Sale,Net Change,% Change,Market Cap,Country,IPO Year,Volume,Sector,Industry 20250729,MRK,Merck & Company Inc. Common Stock (new),$82.63,-1.43,-1.701%,207486512435.0,United States,nan,27820497,Health Care,Biotechnology: Pharmaceutical Preparations 20250730,MRK,Merck & Company Inc. Common Stock (new),$81.75,-0.88,-1.065%,205276804933.0,United States,nan,12853069,Health Care,Biotechnology: Pharmaceutical Preparations 20250731,MRK,Merck & Company Inc. Common Stock (new),$78.12,-3.63,-4.44%,196161761484.0,United States,nan,19793320,Health Care,Biotechnology: Pharmaceutical Preparations