For Corn:

The price would show fluctuate next week because different triangles in the graph. But according to the report, price of corn may trend up. The increasment would not stable because there is a rectangle in our graph.

For wheat:

The price of wheat would go down I think. The graph did not show too much information about the future trend because it go up and down and no more than three points for forecasting. But since price of soybean would go down – for the reason that greater plant of soybean, wheat price may trend down.