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The support is provided by the 7 percent Fibonacci retracement on the drop from the June 8 high of $5.33-3/4 to the July 20 low of $4.06-1/2, and the resistance by the 14.6 percent level.
Not only did wheat hover above the support, but it also climbed above a falling trendline as well. It seems the downtrend from $5.33-3/4 has reversed.
A break above $4.25 could lead to a gain to the 23.6 percent level at $4.36-1/2, while a break below $4.15-1/4 could cause a loss to $4.06-1/2.