USDA/FAS reported export sales for last week of about 1.878 MMT of old crop corn and 105,700 MT of corn for 2014/15. The old crop sales exceeded by far what the market expected. General Comments The U.S. Commerce Dept. reported that the U.S. GDP expanded at an annualized 3.2 percent clip during the fourth quarter of 2013, which is right in line with analysts' expectations. Consumer spending was the biggest positive factor. The good GDP number and some good corporate earnings reports pumped up U.S. stocks with the Dow up 109 and the Standard and Poor 500 up 21 points. The U.S. dollar continued to gain on most currencies while gold fell about $19. WTI crude oil also gained 87 cents to close at $98.23 on signs of good demand. Copper finished...