The Price And Volume Action In Document Security Systems, Inc. Common Stock's Stock Today Document Security Systems, Inc. Common Stock’s (AMEX:DSS) stock has been rising Wednesday, up 4.5% to a price of $6.67. Wednesday the stock has been traded at a volume of 164.54 thousand, about 68.42% of its recent 30-day volume average of 240.50 thousand. Why It’s Moving Benzinga Pro's real-time breaking news service shows some insight into what is affecting shares: Document Security Systems shares are trading higher after the company's Impact BioMedical subsidiary entered an exclusive distribution agreement with BioMed Technology Asia Pacific Holdings Limited. Further Analysis of Recent Price Action