NEW YORK--(BUSINESS WIRE)--Trian Fund Management, L.P., one of the largest stockholders of E. I. du Pont de Nemours and Company (NYSE:DD), which currently beneficially owns approximately 24.6 million DuPont shares valued at approximately $1.8 billion, is today mailing a letter to DuPont stockholders urging them to hold the Board and management accountable for DuPont’s consistent underperformance and to protect their investment by voting the GOLD proxy card for the election of Nelson Peltz, John