Date,Symbol,Name,Last Sale,Net Change,% Change,Market Cap,Country,IPO Year,Volume,Sector,Industry 20250729,WRB^F,W.R. Berkley Corporation 5.10% Subordinated Debentures due 2059,$19.70,0.09,0.459%,nan,United States,nan,10947,nan,nan 20250730,WRB^F,W.R. Berkley Corporation 5.10% Subordinated Debentures due 2059,$19.76,0.06,0.305%,nan,United States,nan,7794,nan,nan 20250731,WRB^F,W.R. Berkley Corporation 5.10% Subordinated Debentures due 2059,$19.91,0.15,0.759%,nan,United States,nan,17749,nan,nan