Coffee Jumps on Brazil Frost Concern; Cotton, Orange Juice Fall

http://www.sfgate.com/cgi-bin/article.cgi?f=/g/a/2011/08/05/bloomberg1376-LPGIJI0D9L3501-72VJLBB3L4CUE2HBLV5I751IK1.DTL

An overnight cold spell may have caused frost to develop in some growing areas in Brazil's Parana state, possibly hurting yield potential for next year's crop, state agricultural analyst Adriano Nunomura said by telephone.