
Oil prices drop on US-Iran progress; global shares gain in choppy trade
By Chris Prentice and Marc Jones NEW YORK/LONDON (Reuters) -Oil dropped over 2% on Thursday as a potential U.S.-Iran nuclear deal raised the prospect of increased global crude supply, and Wall Street indexes were mixed in choppy trading. European shares reversed losses to end higher, with corporate earnings in the spotlight, and gold prices jumped over 1%. U.S. producer prices fell unexpectedly in ...