Can Expedia Ever Catch Up to Priceline Group?

Although there are numerous and varied online travel agencies, two sit atop the industry like a pair of giants -- Expedia (NASDAQ: EXPE) and Priceline Group (NASDAQ: PCLN). Of this duopoly, Expedia is by far the smaller in terms of several important metrics. Here's a look at whether it can bulk up to match its towering rival.

Expedia is clearly the junior player in the duopoly when we look at market capitalization, long-term share price appreciation, and overall profitability. Witness:

Source: Fool.com