** Shares of U.S. natural gas companies down, tracking fall in natgas futures NGA/
** U.S. natgas futures NGc1 down 4.2% at $3.63 per million British thermal units. On Friday, the contract closed at its highest since April 9
** Natural gas prices fell over 4% on a rise in output in recent days coupled with a decline in gas flows to liquefied natural gas (LNG) export plants
** Shares of natgas companies: CNX Resources CNX.N down 1.8%, EQT Corp EQT.N falls 1.9% and Cheniere Energy LNG.N down 1.6%
** ETFs — United States Natural Gas Fund UNG.P and ProShares Ultra Bloomberg Natural Gas BOIL.P fall 4% and 5.6%, respectively