US cocoa futures charged higher to finish firm on Tuesday, shrugging off the weak commodity complex as industry buyers poured in amid expectations that top grower Ivory Coast will resume exports in the near future. The benchmark May raw sugar contract dropped 0.46 cent to settle at 25.58 cents per lb. May arabica coffee futures fell 0.80 cent to close at $2.7380 per lb. Key July cocoa futures gained $28 to finish at $3,056 a tonne.