** Shares of U.S. natural gas companies rise, tracking rise in natgas futures NGA
** U.S. natgas futures NGc1 up 4% at $4.105 per million British thermal unit
** Natgas prices rise boosted by record gas flows to liquefied natural gas export plants and forecasts for more demand than previously expected over the next two weeks
** Shares of natgas companies CNX Resources CNX.N gain 1%, Expand Energy EXE.O up 1.5% and EQT Corp EQT.N climb 1.3%
** ETFs United States Natural Gas Fund UNG.P adds 3.3% and ProShares Ultra Bloomberg Natural Gas BOIL.P advances ~6%
(Reporting by Dharna Bafna)
((Dharna.bafna@thomsonreuters.com))