DUSA Pharmaceuticals (DUSA) Market Cap: $55.44 million DUSA Pharmaceuticals(DUSA) is a vertically integrated dermatology company that is developing and marketing Levulan photodynamic therapy and other products for common skin conditions. With 99% increases in DUSA share value from one year ago, investors who haven't heard of this small-cap stock will likely be taking notice of the high-value and low financial commitment