Preformed Line Products Co (PLPC) to pay $0.20 on Jan 18, 2019; Axsome Therapeutics (AXSM) Shorts Lowered By 28.54% The FinExaminerAxsome Therapeutics Inc (NASDAQ:AXSM) had a decrease of 28.54% in short interest. AXSM's SI was 879,400 shares in December as released by FINRA.