Below is a three month price history chart comparing the stock performance of BKH vs.
FORBES: Black Hills Moves Up In Market Cap Rank, Passing Advanced Micro Devices
Black Hills ( BKH - news - people ), doesn't use any chemicals or acids.
FORBES: Ethanol
At the closing bell, BKH is up about 0.2%, while AMD is off about 3.5% on the day Thursday.
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