YTEN - Yield10 Bioscience VAALCO Energy lead energy/material gainers; ION Geophysical Schweitzer-Mauduit among major losers
Gainers: Yield10 Bioscience (NASDAQ:YTEN) +14%, VAALCO Energy (NYSE:EGY) +12%, Genie Energy (NYSE:GNE) +12%, Lightwave Logic (NASDAQ:LWLG) +10%, Lithium Americas (NYSE:LAC) +10%. Losers: ION Geophysical (NYSE:IO) -23%, Schweitzer-Mauduit International (NYSE:SWM) -15%, Mammoth Energy Services (NASDAQ:TUSK) -13%, Koppers Holdings (NYSE:KOP) -11%, Renewable Energy Group (NASDAQ:REGI) -10%.
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Yield10 Bioscience, VAALCO Energy lead energy/material gainers; ION Geophysical, Schweitzer-Mauduit among major losers