$HCCH Zack's has a graph of HCCH beginning slowly in 2018 to the present. It shows a straight line beginning at 9.60, 9.80, 10.00, 10.20, 10.40, 10.60 and now 10.80 (10.79 closing price today 6-25-2020) including the recent spike to 13. zacks.com/stock/quote/HCCH
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