EDF shares slump after warning of lower earnings in 2017

By Sudip Kar-Gupta PARIS (Reuters) - Shares in French utility EDF lost more than a tenth of their stock market value on Thursday after the company warned of lower earnings in 2017. EDF shares were down 12.1 percent at 0930 GMT, the biggest loser on the STOXX Europe 600 index and on the French stock market , where the STOXX 600 and broader Paris SBF-120 index were up 0.3 percent and 0.4 percent respectively. EDF was also poised for a worst-ever one-day percentage fall, with the stock down nearly