Corn and soybean futures prices were fractionally firmer overnight, while wheat prices sought to recover at least a sliver of their February losses. Chicago wheat was up about 5 cents heading into the early morning trading recess. Later in the morning, traders were tuned into the testimony on China trade negotiations given by USTR Robert Lighthizer before the House Ways and Means Committee and testimony by Ag Secretary Perdue before the House Ag Committee. Secretary Perdue expressed optimism that China would buy additional ag commodities, including the discussed 10 MMT of additional soybeans, but he was careful to note that it depends on how the trade negotiations wrap up. Lighthizer, a hawk on China trade, was purposely cautious about pro...