NEW YORK, August 7, 2015 /PRNewswire/ --

Equity Research Institute has initiated coverage on the following equities: MarkWest Energy Partners L.P. (NYSE: MWE), Plains GP Holdings L.P. (NYSE: PAGP), ONEOK Partners L.P. (NYSE: OKS), Boardwalk Pipeline Partners L.P. (NYSE: BWP), and Crestwood Equity Partners L.P. (NYSE: CEQP). Free research report on MarkWest Energy Partners can be accessed at https://www.EquityResearchInstitute.com/reports?keyword=MWE On Thursday, August 06, 2015, the NASDAQ Composite ended at 5,056.44, down 1.62%, the Dow Jones Industrial Average lost 0.69%, to finish the day at 17,419.75, and the S&P 500 closed at 2,083.56, down 0.78%. The losses were broad based as seven out of nine sectors ended the session in negative. Register for your complimentary reports at the links given below.  

On Thursday, shares in MarkWest Energy Partners L.P. recorded a trading volume of 3.18 million shares, higher than their three months average volume of 1.42 million shares. The stock ended the day 3.88% lower at $55.07. Shares of the company traded at a PE ratio of 93.34. MarkWest Energy Partners L.P.'s stock has lost 3.59% in the last one month, 15.13% in the previous three months and 14.45% on YTD basis. The company is trading below its 50-day and 200-day moving averages by 10.52% and 12.22%, respectively. Furthermore, shares of MarkWest Energy Partners L.P. have a Relative Strength Index (RSI) of 31.90. Sign up and read the free notes on MWE at:

https://www.EquityResearchInstitute.com/reports?keyword=MWE

Plains GP Holdings L.P.'s stock edged 0.43% lower, to close Thursday's session at $18.65. The stock recorded a trading volume of 13.63 million shares, much above its three months average volume of 1.53 million shares. Over the last one month and the previous three months, Plains GP Holdings L.P.'s shares have declined 25.37% and 34.89%, respectively. Additionally, the stock has plummeted 25.60% since the start of this year. The company is trading 27.81% and 29.83% below its 50-day and 200-day moving averages, respectively. Furthermore, Plains GP Holdings L.P.'s stock traded at a PE ratio of 20.85 and has an RSI of 35.87. The complimentary notes on PAGP can be downloaded in PDF format at:

https://www.EquityResearchInstitute.com/reports?keyword=PAGP

ONEOK Partners L.P.'s stock finished Thursday's session 1.00% lower at $30.69. A total of 1.67 million shares were traded, which was above its three months average volume of 1.08 million shares. Over the last one month and the previous three months, ONEOK Partners L.P.'s shares have declined 6.60% and 18.19%, respectively. Additionally, the stock has lost 17.66% since the beginning of 2015. The company's shares are trading below their 50-day and 200-day moving averages by 10.58% and 21.90%, respectively. ONEOK Partners L.P.'s stock traded at a PE ratio of 17.64 and has an RSI of 37.61. Register for free on Equity Research Institute and access the latest research on OKS at:

https://www.EquityResearchInstitute.com/reports?keyword=OKS

On Thursday, shares in Boardwalk Pipeline Partners L.P. ended the session 2.01% lower at $13.63. The stock reported a trading volume of 1.26 million shares, above its three months average volume of 0.80 million shares. Shares of the company traded at a PE ratio of 16.83. Boardwalk Pipeline Partners L.P.'s shares have lost 5.74% in the last one month, 17.34% in the previous three months and 22.37% on YTD basis. The company is trading 7.60% below its 50-day moving average and 14.66% below its 200-day moving average. Moreover, shares of Boardwalk Pipeline Partners L.P. have an RSI of 40.03. The complete research on BWP is available for free at:

https://www.EquityResearchInstitute.com/reports?keyword=BWP

Crestwood Equity Partners L.P.'s stock surged 8.90%, to close the day at $3.67. The stock recorded a trading volume of 1.23 million shares, above its three months average volume of 0.82 million shares. Over the last one month and over the past three months, Crestwood Equity Partners L.P.'s shares have lost 6.00% and 31.24%, respectively. Furthermore, the stock has plummeted 51.01% since the start of this year. The company's shares are trading 11.55% below their 50-day moving average and 38.45% below their 200-day moving average. Additionally, Crestwood Equity Partners L.P. traded at a PE ratio of 15.29 and has an RSI of 45.37. Free in-depth research on CEQP is available at:

https://www.EquityResearchInstitute.com/reports?keyword=CEQP

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