Shares of Nostra Energy Inc. (OTC: NORX), an exploration stage company focusing on the exploration and development of oil and gas properties in the U.S., are climbing in trading today. At last check, NORX shares were trading 4.81% higher at $0.545 on above average volume of 873,355. The stock rose to an intra-day high of $0.57 earlier today. NORX shares have gained more than 13.50% in the last three trading sessions.