Freeport profit misses expectations as copper prices drop

(Reuters) - Freeport McMoRan Inc, the world's second-largest copper miner, posted a lower-than-expected quarterly quarter profit on Thursday due to falling prices for the red metal, sending shares down 4 percent in premarket trading.Demand for copper has slipped in the past year on concerns about economic growth during the ongoing trade spat between the United States and China, weighing on results of Freeport and other miners. Copper is a key material used in construction and manufacturing...