Energy stocks fall as oil dips below $82 a barrel By: MarketWatch April 22, 2010 at 10:04 AM EDT NEW YORK (MarketWatch) - Energy stocks joined the broad market sell-off on Thursday, as crude oil prices retreated below $82-a-barrel. Read More >> Related Stocks: BP Plc ADR Chevron Corp Diamond Offshore Drilling Exxon Mobil Transocean Ltd