UPDATE 3-Big U.S. coal miner Alpha Natural files for bankruptcy Aug 3- Alpha Natural Resources Inc, one of the largest U.S. coal companies, became the latest in the hard-hit industry to seek bankruptcy on Monday. Walter Energy Inc and Patriot Coal Corp also filed for bankruptcy protection this year. Energy Future Holdings Corp, a power company that also has a large coal mining business, has been in bankruptcy since 2014..
| By: Tom Hals
UPDATE 1-Coal miner Alpha Natural files for bankruptcy protection Aug 3- Coal miner Alpha Natural Resources Inc became the latest company to file for Chapter 11 bankruptcy due to a steep fall in coal prices. Walter Energy Inc and Patriot Coal Corp filed for bankruptcy protection earlier this year. The company and its affiliates operate more than 50 underground and surface mines, and more than 20 coal preparation facilities in...