Pfenex Inc. (PFNX) Soars 5.8% on August 29
Pfenex Inc. (PFNX) had a good day on the market for Wednesday August 29 as shares jumped 5.8% to close at $5.29. About 239,610 shares traded hands on 1,534 trades for the day, compared with an average daily volume of 203,512 shares out of a total float of 31.43 million. After opening the trading day at $4.97, shares of Pfenex Inc. stayed within a range of $5.39 to $4.97.