Definition. A type of stock share that is issued in its initial public offering, or IPO, without a stated par value listed. Instead, the stock will be sold based upon what investors will pay for the shares. Also called no par value stock.
X, sometimes referred to as Mr. X, is a fictional character on the American science fiction television series The X-Files. He serves as an informant, leaking information to FBI Special Agents Fox Mulder and Dana Scully to aid their investigation of paranormal cases, dubbed X-Files. The character serves as a replacement for Deep Throat, who had been killed off in the first season finale, The Erlenmeyer Flask.
Mister X (Marvel Comics), a supervillain in the Marvel Universe. Mister X (Vortex), the protagonist in Dean Motter's comic book series of that title. The Amazing Mr X (Dandy), Britain's first superhero, who first appeared in The Dandy comic in 1944.