Natural-gas prices turn lower after EIA data                                 (                                     NGQ13                                 )                                by Myra P. Saefong

SAN FRANCISCO (MarketWatch) -- Natural-gas futures turned lower on Thursday after the U.S. Energy Information Administration reported that supplies of the commodity climbed 41 billion cubic feet for the week ended July 19. Analysts polled by Platts forecasted an increase between 47 billion cubic feet and 51 billion cubic feet. Total stocks now stand at 2.786 trillion cubic feet, down 399 billion cubic feet from the year-ago level and 46 billion cubic feet below the five-year average, the government said. August natural gas     (ngq13)   was at $3.65 per million British thermal units, down 5 cents, or 1.2%. It was trading at $3.71 shortly before the data.