** Shares of U.S. natural gas companies fall, tracking dip in natgas futures NGA/
** U.S. natgas futures NGc1 down 5.9% at $3.354 per million British thermal units, putting contract on track for its lowest close since July 11
** Natural gas prices fell about 6% to one-week low on record output, forecasts for less hot weather over next two weeks, stagnant gas flows to liquefied natural gas export plants and ample amounts of gas in storage
** Shares of natgas companies: EQT Corp EQT.N dip 6.7%, New Fortress Energy NFE.O down 3.1% and CNX Resources CNX.N fall 3.2%
** NextDecade NEXT.O falls 1.5%, Cheniere Energy LNG.N down 5.3% and Williams Companies WMB.N lose 1.6%
** ETFs — United States Natural Gas Fund UNG.P fall 6.9% and ProShares Ultra Bloomberg Natural Gas BOIL.P down 13.7%
(Reporting by Sumit Saha in Bengaluru)
((Sumit.Saha@thomsonreuters.com;))