S&P announces that Alleghany (Y) will replace Transatlantic Holdings (TRH) in its S&P...

|About: Alleghany Corporation (Y)|By:, SA News Editor

S&P announces that Alleghany (Y) will replace Transatlantic Holdings (TRH) in its S&P MidCap 400 Index after the close of trading on March 5. Shares of Y +1.9% premarket, TRH inactive.