Date,Symbol,Name,Last Sale,Net Change,% Change,Market Cap,Country,IPO Year,Volume,Sector,Industry 20250729,POCI,Precision Optics Corporation Inc. Common stock,$4.7615,0.0615,1.309%,36502835.0,United States,nan,1996,Health Care,Biotechnology: Electromedical & Electrotherapeutic Apparatus 20250730,POCI,Precision Optics Corporation Inc. Common stock,$4.70,-0.0615,-1.292%,36031361.0,United States,nan,764,Health Care,Biotechnology: Electromedical & Electrotherapeutic Apparatus 20250731,POCI,Precision Optics Corporation Inc. Common stock,$4.65,-0.05,-1.064%,35648049.0,United States,nan,2843,Health Care,Biotechnology: Electromedical & Electrotherapeutic Apparatus