Performance: Big Coal vs. Clean Energy (BTU; PBW)

From time to time we post the performance of the world's largest private sector coal company compared to the PowerShares Wilderhill Clean Energy ETF. After outperforming through most of the year, BTU has come down enough to put it and PBW into a dead heat. Like any time-series the choice of endpoints will change the appearance of the presentations. BTU is still ahead on the one year charts. Note that they are both down over the period. Here's the six-month, from Yahoo Finance: