Priceline.com Over $500 (PCLN)

Priceline.com Incorporated PCLN shares are over the $500 mark, gaining $10.45 to $502.14, a gain of over 2% on more than 600,000 shares. One man who's happy: William Shatner. Shatner's stake in priceline.com was worth $600 million last year, when the stock was trading at $300. Shatner is worth worth $1 billion with shares some 66% higher than they were a year ago, assuming he hasn't sold any.