Sell Signals - NPTN OSN UUU HF CPRX By: TalkMarkets August 13, 2015 at 21:15 PM EDT This week I deleted the following stocks for negative price momentum: Neophotonics, Ossen Innovation, Universal Security Instruments, HFF and Catalyst Pharmaceuticals. Read More >> Related Stocks: Catalyst Pharm Inc Dga Absolute Return ETF Neophotonics Corp Universal Security Instruments