Trian said to prepare new dupont strategy paper.

Trian Fund Management LP, the activist investor advocating a breakup of DuPont Co., is preparing to publish a new strategy paper for the chemical company after failing to reach an agreement over demands for four board seats. "DuPont has basically been doing what Trian wanted, so the case for them gets tougher and tougher", Kevin Walkush, who helps manage $5.4 billion including DuPont shares in the Jensen Quality Growth Fund, said by phone Tuesday from Lake Oswego, Oregon. DuPont's new board choices were popular with investors, increasing pressure on Trian to bolster its case, said Jim Sheehan, an analyst at Suntrust Robinson Humphrey Inc. [Extracted from the article]