Date,Symbol,Name,Last Sale,Net Change,% Change,Market Cap,Country,IPO Year,Volume,Sector,Industry 20250729,WRB^H,W.R. Berkley Corporation 4.125% Subordinated Debentures due 2061,$16.41,0.09,0.551%,nan,United States,nan,11964,nan,nan 20250730,WRB^H,W.R. Berkley Corporation 4.125% Subordinated Debentures due 2061,$16.40,-0.01,-0.061%,nan,United States,nan,9288,nan,nan 20250731,WRB^H,W.R. Berkley Corporation 4.125% Subordinated Debentures due 2061,$16.60,0.2,1.22%,nan,United States,nan,34505,nan,nan