LONDON, December 23, 2014 /PRNewswire/ --

Investor-Edge has initiated coverage on the following equities: Patterson-UTI Energy Inc. (NASDAQ: PTEN), Precision Drilling Corporation (NYSE: PDS), National Oilwell Varco Inc. (NYSE: NOV), Superior Energy Services Inc. (NYSE: SPN), and Dresser-Rand Group Inc. (NYSE: DRC). Free research on these five companies can be accessed at: http://investor-edge.com/register. The US markets on Monday, December 22, 2014, ended on a positive note as the Dow Jones Industrial Average finished at 17,959.44, up 0.87% and the NASDAQ Composite closed at 4,781.42, up 0.34%. The S&P 500 finished the session 0.38% higher at 2,078.54. During the trading session, eight out of ten sectors finished on a higher note. The S&P 500 Energy Sector Index ended the day at 591.01, down 0.98%, with the index advancing 4.28% in the previous three trading sessions. Register for your complimentary reports on these five stocks at:

http://investor-edge.com/register

Patterson-UTI Energy Inc.'s stock lost 2.35%, to close the day at $17.04. The stock recorded a trading volume of 5.03 million shares, below its three months average volume of 5.67 million shares. The company's shares oscillated between $16.45 and $17.26 during the session. Over the last three trading sessions, Patterson-UTI Energy Inc.'s shares have advanced 5.54%. However, the stock has lost 21.26% in the past one month and 32.70% since the start of this year. The company's stock is trading below its 50-day and 200-day moving averages. The stock's 200-day moving average of $29.79 is above its 50-day moving average of $20.50. Additionally, the stock traded at a PE ratio of 17.87 and has a Relative Strength Index (RSI) of 46.62. Sign up and read the free notes on PTEN at:

http://get.Investor-Edge.com/pdf/?c=Patterson-UTI%20Energy&d=23-Dec-2014&s=PTEN

On Monday, shares in Precision Drilling Corp. recorded a trading volume of 5.13 million shares, lower than its three months average volume of 3.62 million shares. The stock ended the day at $6.20, which was 9.36% below its previous day's closing of $6.84, and registered an intraday range of $6.13 and $6.86. Precision Drilling Corp.'s shares have lost 0.32% in the previous three trading sessions, 23.74% in the last one month, and 33.83% on YTD basis. The company's stock is trading below its 50-day and 200-day moving averages of $7.46 and $11.15, respectively. Furthermore, shares of Precision Drilling Corp. have an RSI of 53.14. The complimentary notes on PDS can be downloaded as in PDF format at:

http://get.Investor-Edge.com/pdf/?c=Precision%20Drilling&d=23-Dec-2014&s=PDS

National Oilwell Varco Inc.'s stock fell 1.18% to end Monday's session at $66.28. The stock recorded a trading volume of 4.58 million shares, below its three months average volume of 5.01 million shares. The company's shares fluctuated between $64.82 and $66.30 during the session. Shares of the company traded at a PE ratio of 10.92. National Oilwell Varco Inc.'s shares have gained 3.53% in the previous three trading sessions. However, the stock has lost 10.21% over the last one month and 7.53% since the beginning of 2014. The company's stock is trading below its 50-day and 200-day moving averages. The stock's 200-day moving average of $75.33 is above its 50-day moving average of $69.59. Additionally, the stock has an RSI of 50.02. Register for free on Investor-Edge and access the latest research on NOV at:

http://get.Investor-Edge.com/pdf/?c=National%20Oilwell%20Varco&d=23-Dec-2014&s=NOV

On Monday, shares in Superior Energy Services Inc. fluctuated between $20.42 and $21.47 before ending the session 5.60% lower at $20.55. The stock reported a trading volume of 4.79 million shares, higher than its three months average volume of 3.46 million shares. Shares of the company traded at a PE ratio of 13.48. Although Superior Energy Services Inc.'s stock has advanced 3.58% in the previous three trading sessions, it has declined 19.91% in the last one month and 22.77% on YTD basis. The company's stock is trading below its 50-day and 200-day moving averages of $22.85 and $30.62, respectively. Moreover, shares of Superior Energy Services Inc. have an RSI of 54.44. The complete research on SPN is available for free at:

http://get.Investor-Edge.com/pdf/?c=Superior%20Energy%20Services&d=23-Dec-2014&s=SPN

Dresser-Rand Group Inc.'s stock finished Monday's session 0.50% lower at $81.09. A total of 0.63 million shares were traded, which was much below its three months average volume of 2.23 million shares. The stock vacillated between $80.90 and $81.47 during the session. Over the last one month and over the past three months, Dresser-Rand Group Inc.'s shares have fallen by 0.98% and 1.07%, respectively. However, from the beginning of 2014, the stock has rallied 35.99%. The company's shares are trading above their 200-day moving average. Moreover, the stock's 50-day moving average of $81.26 is greater than its 200-day moving average of $68.42. Dresser-Rand Group Inc.'s stock traded at a PE ratio of 35.93 and has an RSI of 57.70. Free in depth research on DRC is available at:

http://get.Investor-Edge.com/pdf/?c=Dresser-Rand&d=23-Dec-2014&s=DRC

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