Rumors of state policy shifts are driving down China's domestic corn prices, which is affecting some processors' margins. However, the cornstarch and ethanol industries may continue to have a difficult summer as the decrease in prices may be temporary and another variable is tepid. Oilseeds Soymeal Inventories Fluctuate Upward As a result of a surge in South American soybean imports and ongoing stagnant demand from the downstream market, China's estimated soymeal inventories increased to 1.47 MMT, a gain of 120,000 MT, following a 130,000 MT decline the previous week. The total is 360,000 MT or 19.77 percent lower than the same week in 2014. The estimated inventories rose in all surveyed regions except Shandong Province where they fell 2...