Blue Dolphin Energy Co. (OTCMKTS:BDCO – Get Free Report)’s share price crossed above its 50 day moving average during trading on Monday . The stock has a 50 day moving average of $3.87 and traded as high as $4.3920. The company’s 50 day moving average price is $3.88 and its 200-day moving average price is $2.95. Get Blue Dolphin Energy alerts:Blue Dolphin Energy (OTCMKTS:BDCO – Get Free Report) last posted its quarterly earnings data on Friday, May 15th. About Blue Dolphin EnergyBlue Dolphin Energy Company (OTCMKTS: BDCO) is an independent energy and marine transportation company headquartered in New Orleans, Louisiana.