What I went wrong

Last week, I took a break from trading. I had three short positions of corn and wheat on Oct 8^th and Oct 17^th. I expected that both wheat and corn price decreased because of decrease in demand and increase in supply. Winter crop was expected to be better in the area of the Corn Belt and the Southern Plains due to light rain. Also Russia, big supplier, decided that it is going to make easy of restriction on exporting. As well one of big consumer china was decreasing import by increasing its own production of corn. However, it turns out that both corn and wheat price increase. Even though I have one long contract having it beginning of trade, I lose money. I was long position when its price is too high. I was too scary to offset it. But I finally admit the large loss. I think I need to catch up current news what happen to grain market.