shares of nutriband inc ntrb rocketed 1266 in very active trading friday morning after the developer of a fentanyl abuse deterrent patch said it was issued a full patent in south korea for its lead technology aversa volume spiked to 318 million shares compared with the fullday average of roughly 55300 shares and enough to make the stock the most actively traded on major us exchanges the stock has already been halted once for volatility since the opening bell the company said the patent issued by the korean intellectual property office underpins aversa which uses taste aversion to address primary routes of abuse for opioid based transdermal patches despite the stocks more than doubling friday it was still down 409 this year while the sp 500 spx has climbed 272