Uncertainty surrounding peace talks between the United States and Iran weighed on market sentiment, sending European equities lower on Friday. The pan-European STOXX 600 index closed down 0.6%.The UK's FTSE 100 index closed down 77 points, or 0.8%, at 10,379.Germany's DAX index closed down 26 points, or 0.1%, at 24,128.France's ...