https://www.stockcalc.com/blog/BrianD/2018/06/07/pfenex-pfnxase-and-biopharmx-bpmxase-are-biggest-stock-gainers-ytd-on-amex/
Pfenex (PFNX:ASE) and BioPharmX (BPMX:ASE) Are Biggest Stock Gainers YTD on AMEX