USDA trims corn yield estimate; soybeans unchanged

USDA made a rare July adjustment, lowering its corn yield estimates by four bushels per acre. Traders looked for USDA to trim the corn yield estimate by another one to two bushels. Meanwhile, USDA left its national soybean yield estimate unchanged from last month at 52 bushels per acre. Joe Camp of CommStock Investments discussed the latest world ag supply and demand estimates report.