1.   In other markets, corn sank and copper rose.

2.   Corn sank despite higher-than-expected export sales.

3.   Corn sank on the outlook for precipitation every day this week in the Midwest.

4.   Corn sank in sympathy with plummeting wheat and soybeans.

5.   Corn sank to new contract lows despite a lack of new developments.

6.   Corn sank to new contract lows on pressure from the soggy outlook in Brazil and on a lack of bullish news.

7.   Corn sank to a four-month low, pressured by weak technical signals and the selloff in wheat.

8.   Corn sank under pressure from the selloff in soybeans after trading little-changed for most of the session.

9.   Slumping corn sank further after the National Weather Service called for wet, cool conditions in mid-July.