Corn futures surged into the Labor Day weekend, with contracts increasing by 10 to 12 ½ cents. December closed 8 ¼ cents higher, ending the month on a positive note. The national average Cash Corn price rose by 17 1/4 cents to $3.84. Commitment of Traders data showed spec traders reducing their net short position in corn futures and options. USDA Export Sales data revealed old crop corn commitments at 70.475 MMT, representing 98% of the full year export forecast. Dec 25 Corn closed at $4.20 1/4, up 10 1/4 cents, indicating a strong market trend.

Read more at Yahoo Finance: Corn Rally Double Digits into the Long Weekend