** U.S.-listed shares of natural gas companies rise premarket, as natgas futures jump to a one-week high NGA/** U.S. natural gas futures NGc1 up 6% at $3.18 per million British thermal unit on forecasts for colder weather in November and near-record LNG export flows** Shares of natgas companies: CNX Resources CNX.N up 1.6%, EQT Corp EQT.N rise 1.7%, Venture Global VG.N rise 1.35% and Nextdecade NEXT.O up ~3.8% ** ETF United States Natural Gas Fund UNG.P up 4.2% and ProShares Ultra Bloomberg Natural Gas BOIL.P gains 5.8%

(Reporting by Varun Sahay)

((Varun.sahay@thomsonreuters.com))