It's important for investors to understand that there are two types of coal mined. The first is thermal coal which is used by power plants to heat homes.

Call options have emerged as a popular choice on Arch Coal Inc (NYSE:ACI), according to volume data from the major exchanges.

This could well be a season of corporate turnarounds. As U.S. equities continue to trend higher on better results and an improving economy, even laggards and beaten down stocks such as Thompson Creek Metals Company Inc (NYSE:TC), Arch Coal Inc ...

St. Louis-based Arch Coal, Inc. (NYSE: ACI) is one of the world's top coal producers for the global steel and power generation industries, serving customers in 25 countries on five continents.

Goldman Sachs upgraded Arch Coal Inc (NYSE: ACI) from Sell to Neutral with a price target of $5.00 saying shares will likely outperform met stocks but lag thermal peers.

LOUIS, May 15, 2013 (BUSINESS WIRE) -- Meritage Midstream Services II, LLC ("Meritage") and Arch Coal, Inc. (NYSE:ACI) ("Arch") announced today that the companies have executed a letter of intent to create a joint venture. The new entity, to be called ...

UPDATE: Morgan Stanley Upgrades Arch Coal Inc (ACI) to Equalweight, Thermal Coal Inventory on Decline. Article Related Articles (1) Stock Quotes (2) Comments (0).

Cognizant Technology Solutions Corp(NASDAQ:CTSH) shares decreased 2.54% to $63.38. The company on May 8 said first-quarter earnings rose 17% amid a double-digit percentage jump in revenue, while Results beat the company's expectations, and ...

SUPERVALU INC. (NYSE:SVU) traded up 3.09% on last day of the week, and closed at $6.34. The stock traded in the band of $6.14 and $6.42 and the range for the 52-week is $1.68 and $6.42.

Arch Coal Inc. lost a round in its battle to build a mountaintop mine in West Virginia as a federal appeals court sided on a key point with regulators who want to stop the project.