Priceline.com ( PCLN) is another firm that's seen strong performance numbers in 2013. In fact, it's even managed to one-up Disney with a 71% gain since the first trading session in January. Breakneck growth on Priceline's income statement has been fuelling the growth in its share price. >>3 Huge Tech Stocks on Traders' Radars Priceline.com is one of the biggest travel sites in the world. The firm dug out an economic moat by becoming the most popular "Name Your Own Price" travel site, connecting bargain-conscious consumers with excess inventory hotels and airlines were trying to fill at lower prices. While that's niche has changed more recently, Priceline's dominance in online travel hasn't. Priceline's biggest growth driver in recent years has been in international markets like Europe and China, where the firm's foothold is less dominant and travel pricing is less commoditized. The decision to purchase travel content site Kayak should pan out to be a good one for PCLN. While the acquisition wasn't cheap, content site visitors are stickier than the web traffic that visits Priceline's homepage. With a new traffic driver, Priceline should be able to spread the benefits across its whole network.