REUTERS/Jason Cohn
Peltz said he would talk about Pepsi and Mondelez during the panel.
Andrew Ross Sorkin tried asking him about DuPont.
Sorkin says sources say he has a big stake in the company.
Peltz wouldn't answer Sorkin, but responded with "You think DuPont. You think paint."
As for Pepsi, Nelson says he wants Pepsi to buy Mondelez for $35/share.
He also wants Pepsi/Mondelez to separate beverage unit from the company.