Corn Corn basis in Argentina continued to drop during the last week. Shipments for 15 July, August and September are offered at -15 CU, a 45-cent discount since our last report. Despite this downgrade, there is no demand at those levels because buyers believe premiums will continue to decrease. Meanwhile, the Argentine government announced a 3 MMT export quota for quote, which has added more pressure on the selling side for July/August and September positions.Brazilian corn premiums are also weaker by about 40 cents since our last report, with August and September shipments buyable below -20 CU and October to December sellers below -17 CZ. There is a lot of corn in Brazilian ports. Consequently, all trading houses are willing to sell and...