S&P 500 Movers: EFX, CHK
September 14, 2017 at 10:17 AM EDT
In early trading on Thursday, shares of Chesapeake Energy (CHK) topped the list of the day's best performing components of the S&P 500 index, trading up 5.1%. Year to date, Chesapeake Energy has lost about 41.0% of its value.