OPGN - .54 Stock is at a bottom. OpGen to Present Advancements in Antibiotic Susceptibility and Whole Genome Sequencing at ASM Microbe 2017 http://stockcharts.com/c-sc/sc?s=OPGN&p=D&b=5&g=0&i=t14897255145&r=1495716040878 http://stockcharts.com/c-sc/sc?s=OPGN&p=W&b=5&g=0&i=t13295856418&r=1495716179056