Oil prices drop as China allows yuan to fall

Crude oil prices fell again on Wednesday as China allowed its currency to fall sharply for a second day, triggering concerns over the country's economic health just as oil production hit multi-year highs. Brent futures initially edged up before continuing their slide of the last two months as China's yuan hit a four-year low, slipping further a day after authorities devalued the yuan in a move to support its struggling economy and which sparked fears of a global currency war. "The