20 Biggest Mid-Day Losers For Wednesday By: Benzinga via Benzinga September 27, 2017 at 13:31 PM EDT Tantech Holdings Ltd (NASDAQ: TANH) shares tumbled 33 percent to $2.83 after the company reported a deal for registered direct ... Read More >> Related Stocks: Acacia Res-Acacia Ascendis Pharma ADR Babcock & Wilcox Enterprises Calyxt Inc Caredx Inc Itus Corp Izea Inc Kornit Digital Ord Nike Inc Pingtan Marine Syros Pharmaceuticals Tahoe Res Inc Tantech Holdings Tile Shop Hldgs Veritone Inc Versartis Inc Vnet Group Inc Westlake Chemical Partners LP Worthington Enterprises Inc Xenetic Biosciences Inc