ANR — NR

The firm suffered 4 years of losses, laid off 4,000 workers, and closed all but 50 mines. Due to its "abnormally low" stock price ANR was delisted from the NYSE on July 16, 2015.

With debts of $3 billion dating from its acquisition of Massey Energy for $7.1 billion in 2011 the firm filed for Chapter 11 bankruptcy on August 3, 2015