Walter Energy, Inc. (NYSE:WLT) might find some pullback down the road as it gets a rating downgrade from the analyst at Goldman Sachs. The research firm has revised the price target downward from $10 to $9 and reiterated the ‘neutral’ rating on the stock. Walter Energy, Inc. (NYSE:WLT) stock performance was 3.80% in last session and finished the day at $7.65. Traded volume was 7.42million shares in the last session and the average volume of the stock remained 6.98million shares. The beta of the stock remained 2.42. Walter Energy, Inc. (NYSE:WLT) insider ownership is 0.70%.

Halcon Resources Corp (NYSE:HK) has announced that it will wait and watch out for the results from Ohio’s Utica shale and take up a decision to carry on further drilling in the region. According to company’s Chairman and CEO, Floyd C. Wilson, the production results were not up to the expectations and Utica’s output is not considered in the current year’s production out come. The company will wait further and watch out for the results and decide accordingly on further course of action. Halcon Resources Corp (NYSE:HK) rose 5.61 percent to $4.14 Friday on volume of 8.62million shares. The intra-day range of the stock was $3.94 to $4.15. Halcon Resources Corp (NYSE:HK) has a market capitalization of $1.72billion.

UBS downgraded Arch Coal Inc. (NYSE:ACI) from Buy to Neutral. Arch Coal Inc (NYSE:ACI)’s stock on Mar 28, 2014 reported a increase of 1.26% to the closing price of $4.81. Its fifty two weeks range is $3.47-$5.82. The total market capitalization recorded $1.02billion. The overall volume in the last trading session was 12.85million shares. In its share capital, ACI has 212.14million outstanding shares.

Two days ago, on Tuesday, the CEO of Plug Power Inc. (NASDAQ: PLUG) said that the company had signed a new contract with a global automaker and that details would be forthcoming in two or three weeks. Investors could not wait, though, sending the stock price up nearly 43% for the day. On Friday, shares of Plug Power Inc (NASDAQ:PLUG) advanced 0.15% to close the day at $6.90. Company return on investment (ROI) is -180.80% and its monthly performance is recorded as 57.89%. Plug Power Inc (NASDAQ:PLUG) quarterly revenue growth is 301.16%.