May ICE NY cocoa (CCK24) on Thursday closed down -38 (-0.36%), and May ICE London cocoa #7 (CAK24) closed up +122 (+1.44%). Cocoa prices rose to new all-time highs on Thursday. Concern about shrinking global cocoa supplies continues to push prices to record highs. Due to limited supplies, global cocoa grinders are paying up in the cash market to secure cocoa supplies this year due to growing concerns that West African cocoa suppliers may default on supply contracts. Bloomberg reported Thursday that the Ghana Cocoa Board is negotiating with major cocoa traders to postpone the delivery of at lea…