DuPont's roots lie in the chemical industry, but the stronger growth in the agricultural sector led the company to shift its business more toward seeds, pesticides, and other products serving the farming community. With the boom in agriculture in recent years, DuPont has benefited greatly from the move, and it now expects to divest other divisions of its business to increase its ag focus even more. But will DuPont's recent warning signal a reversal of that trend? Let's take an early look at what's been happening with DuPont over the past quarter and what we're likely to see in its report.