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Gainers: Houston American Energy (HUSA) +48%. Marine Petroleum Trust (MARPS) +17%. Venator Materials (VNTR) +17%. ZK International Group Co. (ZKIN) +15%. Ecopetrol (EC) +13%.
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Losers: Gold Fields (GFI) -23%. Frontline (FRO) -14%. Lithium Americas (LAC) -11%. Valhi (VHI) -10%. Platinum Group Metals (PLG) -9%.