LONDON, April 21, 2014 /PRNewswire/ --

On Thursday, April 17, 2014, the NASDAQ Composite ended at 4095.52, up 0.23%, the Dow Jones Industrial Average finished the session 0.10% lower at 16408.54, and the S&P 500 closed at 1864.85, up 0.14%. During the trading session, seven out of ten sectors finished on a positive note. The S&P 500 Energy Sector Index finished the day 0.82% higher at 679.12, and it has gained 6.46% in last one month. Investor-Edge has initiated coverage on the following equities: Cal Dive International Inc. (NYSE: DVR), TETRA Technologies Inc. (NYSE: TTI), Helix Energy Solutions Group Inc. (NYSE: HLX) and Hornbeck Offshore Services Inc. (NYSE: HOS). Free technical research on DVR, TTI, HLX and HOS can be downloaded upon signing up at:

http://www.investor-edge.com/1430-register

On Thursday, Cal Dive International Inc.'s stock recorded a trading volume of 1.16 million shares, which was above its three months average volume of 0.45 million shares. The stock ended the day at $1.57, which was 1.88% lower than its previous day's closing, and registered an intraday range of $1.57 and $1.60. Moreover, Cal Dive International Inc.'s shares have fallen by 5.42% in the previous three trading sessions, 8.19% in the last one month and 21.89% on YTD basis. The company's stock is trading below its 50-day and 200-day moving averages of $1.72 and $1.91, respectively. Furthermore, the shares of the company have a Relative Strength Index of 29.46. Sign up today to read free research on DVR at:

http://www.investor-edge.com/1430-DVR-21Apr2014.pdf

TETRA Technologies Inc.'s stock gained 2.44% on Thursday, ending the day at $13.04. The stock recorded a trading volume of 0.56 million shares, which was at par with its three months average volume. The stock oscillated between $12.74 and $13.16 during the trading session. TETRA Technologies Inc.'s shares have gained 4.82% in the previous three trading sessions, 7.41% in the last one month and 5.50% since the start of this year. Additionally, the stock is trading above its 50-day and 200-day moving averages of $12.05 and $11.89, respectively. Moreover, the stock traded at a PE ratio of 25.77 and has an RSI of 60.70. Sign up today to read free research on TTI at:

http://www.investor-edge.com/1430-TTI-21Apr2014.pdf

Shares in Helix Energy Solutions Group Inc. fluctuated between $22.40 and $22.90 before ending the Thursday's session 1.07% higher at $22.63. Shares in Helix Energy Solutions Group Inc. reported a trading volume of 1.26 million shares, which was above its three months average volume of 0.90 million shares. Shares of the company traded at a PE ratio of 17.96. Helix Energy Solutions Group Inc.'s shares have advanced 2.35% in the previous three trading sessions and 0.89% in the last one month, while it has declined 2.37% on YTD basis. The stock is trading above its 50-day moving average. Helix Energy Solutions Group Inc.'s 200-day moving average of 23.71 is above its 50-day moving average of $22.62. Additionally, shares of the company have an RSI of 51.19. Sign up today to read free research on HLX at:

http://www.investor-edge.com/1430-HLX-21Apr2014.pdf

On Thursday, shares in Hornbeck Offshore Services Inc. edged 1.36% higher, closing the day at $40.27. A total of 0.24 million shares were traded, which was below its three months average volume of 0.55 million shares. The stock moved between $39.56 and $40.53 during the session. Hornbeck Offshore Services Inc.'s shares have advanced 4.49% over the previous three trading sessions. However, the stock has declined 1.08% in the last one month and 18.20% since the beginning of this year. The company shares are trading below their 50-day and 200-day moving averages of $40.88 and $50.11, respectively. Moreover, the company's stock traded at a PE ratio of 17.24 and has an RSI of 51.13. Sign up today to read free research on HOS at:

http://www.investor-edge.com/1430-HOS-21Apr2014.pdf

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