It's hard to imagine that shares of Alpha Natural Resources, Inc. (NYSE:ANR) could trade any lower, but S&P expects continued weakness in coal and that pricing will continue to challenge the company's operational conditions.

Alpha Natural Resources, Inc. (NYSE:ANR) shares gained 1.18% to $6.86. The company on May 2 reported a narrower-than-expected first-quarter loss thanks to cost-cutting in a tough market.

The Associated Press. Company of interest: Alpha Natural Resources. Alpha Natural Resources Inc. posted losses of $110.8 million, or 50 cents per share, for the period ended March 31, compared with a year-ago loss of $28.7 million, or 13 cents per share.

Standard & Poor's Ratings Services has lowered its outlook on Alpha Natural Resources Inc. (ANR) to negative from stable as continued weakness in coal markets will likely challenge the company's operating conditions.

Arena Pharmaceuticals, Inc. (NASDAQ:ARNA) traded down 9.16% on last day of the week, and closed at $7.63. The stock traded in the band of $7.50 and $7.81 and the range for the 52-week is $2.52 and $13.50.

Alpha Natural Resources Inc. has more than 160 mines and processing plants in Kentucky, Pennsylvania, Virginia, West Virginia and Wyoming.

BRISTOL, Va., May 8, 2013 /PRNewswire/ -- Alpha Natural Resources, Inc. (NYSE: ANR) ("Alpha"), a leading U.S.

Related Topics. Stocks � · Markets �. NEW YORK | Tue May 7, 2013 7:25am EDT. NEW YORK May 7 (Reuters) - Alpha Natural Resources Inc : * Shares down 2.1 percent in premarket trade following ratings cut from goldman. Stocks · Markets ...

HONG KONG, May 3, 2013 /PRNewswire/ -- EarningForecast.com has issued consensus earnings forecast reports for the following companies: Pfizer (NYSE:PFE), Alpha Natural Resources (NYSE:ANR), Citigroup (NYSE:C), Research In Motion ...

Alpha Natural Resources, Inc. (NYSE:ANR) shares fell 6.53% to $6.73. The company on May 2 reported a narrower-than-expected first-quarter loss thanks to cost-cutting in a tough market.