From the link:
Haven’t done much in this sector for a couple of years since Trump started promising to bail out the companies with taxpayer subsidies, but in recognition how much time and how many times I spent shorting these stocks in the past I’d like to wave good-bye to CLD, Cloud Peak Energy, the latest in a long line of stocks in this dying sector flushing sharehold equity down the shaft — Patriot Coal, Walter, Energy, Peabody Coal (bankrupt and reorganized), Arch Coal (bankrupt and reorganized), Westmoreland Coal.
For the charts and maybe some timely shorts going foward: