Natural gas adds to gains after EIA supply data ( NGF13 ) by Myra P. Saefong

SAN FRANCISCO (MarketWatch) -- Natural-gas futures gained more ground Thursday after the Energy Information Administration reported that inventories of the commodity fell more than expected, by 82 billion cubic feet for the week ended Dec. 14. Analysts polled by Platts forecasted a decline between 74 billion cubic feet and 78 bcf. Total stocks now stand at 3.724 trillion cubic feet, up 66 billion cubic feet from the year-ago level and 345 billion cubic feet above the five-year average, the government said. January natural gas (ngf13) was at $3.43 per million British thermal units, up 11 cents, or 3.3%. It was trading around $3.38 shortly before the data