18 Biggest Mid-Day Losers For Friday By: Benzinga via Benzinga October 28, 2016 at 12:55 PM EDT Opexa Therapeutics Inc (NASDAQ: OPXA) shares tumbled 67.5 percent to $1.11 after the company disclosed that its ... Read More >> Related Stocks: A10 Networks Inc Amazon.com B&G Foods Holdings Cardinal Health Ehealth Inc Formfactor Inc Goodyear Tire & Rub Magnachip Semiconductor Corp McKesson Corp Novo Nordisk A/S ADR Senomyx Inc Stonemor Partners LP Supercom Ltd Synaptics Inc Xerium Technologies YRC Worldwide