Natural-gas prices move up after EIA supply data                                 (                                     NGU13                                 )                                by Myra P. Saefong

SAN FRANCISCO (MarketWatch) -- Natural-gas futures climbed on Thursday after the U.S. Energy Information Administration reported a supply increase of 65 billion cubic feet for the week ended Aug. 9. Analysts polled by Platts forecasted a climb between 68 billion cubic feet and 72 billion cubic feet. Total stocks now stand at 3.006 trillion cubic feet, down 252 billion cubic feet from the year-ago level and 43 billion cubic feet above the five-year average, the government said. September natural gas     (ngu13)   was at $3.39 per million British thermal units, up over 4 cents, or 1.3%. It was trading at $3.37 before the data