By Claudia Assis
SAN FRANCISCO (MarketWatch) -- Crude-oil futures added to losses Wednesday after the Energy Department reported a surprise increase in oil stockpiles. Crude for November delivery retreated 21 cents, or 0.3%, to $83.51; before the Energy Information Administration's report, crude had relinquished brief gains, trading at $82.75 a barrel. On the brighter side, the EIA reported an unexpected decrease of 2.6 million barrels for gasoline stocks, and a decrease of 1.1 million for inventories of distillates. Analysts polled by Platts had expected a decline of 1.3 million barrels for crude-oil stocks. Gasoline stocks were seen up 700,000 barrels, and distillates down 900,000 barrels.
