Having results in primates with its ricin toxin vaccine Rivax is "almost like you've got phase II data," Soligenix Inc.'s chief scientific officer Oreola Donini told BioWorld Today, which is probably why shares of the Princeton, N.J.-based company (NASDAQ:SNGX) skyrocketed 43.6 percent, or $1.12, to close Wednesday at $3.69.