Company says impact of TPP is unclear.

Revenue is up 8% for the period.

Global dynamics reducing margins across the U.S. agricultural export sector.

Company attributes increase partly to volume growth in core and specialty ingredients.

The company reported a loss in its marketing and trading activities segment.

Starch segment benefited from increased ethanol prices.

The decrease was primarily attributed to lower margins for much of the company's energy and agricultural businesses.

Ernesto Pousada will start on Feb. 1.

Overall, adjusted operating earnings at company fall 13% in second quarter.

Second-quarter revenues sag on lower volume.