Corn prices are trading with 1 to 2 ½ cent losses on Friday morning as traders look to round out the week. Futures saw losses on Thursday, with contracts down 1 ½ to 3 ¼ cents.  Open interest was down 12,902 contracts on Thursday, mainly in the May, dropping 41,575 contracts. Some were rolling to July, up 28,073 contracts. The CmdtyView national average Cash Corn price was down 3 cents at $4.05 1/2. Export Sales data from Thursday morning showed 1.36 MMT in old crop corn sales for the week of April 2. Th ...