Early movers: PNR, JPM, EL, KKR, DIS, WMB & more By: CNBC.com News August 17, 2015 at 07:55 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: AT&T Inc Amazon.com Apple Atlantic Power Corp Comcast Corp Dish Network Corp Energy Transfer Equity LP Estee Lauder Co JPMorgan Chase & Co KKR & Company LP Pentair plc Precision Castparts Rambus Inc Sinclair Inc Spectra Energy Walt Disney Williams Companies