FTSE 100 falls as crude rises, hopes of renewed U.S.-Iran talks fade
April 23 (Reuters) - Britain's FTSE 100 fell on Thursday, as higher oil prices and fading prospects of renewed U.S.-Iran peace negotiations weighed on the broader market, while investors parsed through a raft of corporate earnings.The blue-chip FTSE 100 index (.FTSE), dropped 0.8% to 10,388.84 points by 10:40 a.m. GMT, while the midcap FTSE 250 (.FTMC), fell 1.1%.Brent crude futures surged past $100 a barrel, as Iran tightened its grip on the Strait of Hormuz and said it will not reopen the waterway until the U.S. lifts its naval blockade.