Expedia Inc, the largest online travel agency, said it plans to split into two publicly traded companies through a proposed spin-off of its TripAdvisor business, and its shares shot up 13 percent in after-hours trading.

Analysts said the plan could help unlock value for the high-growth TripAdvisor travel site business as Expedia invests in product enhancements that would bolster its competitive positioning.

Read the complete Reuters story, “Expedia plans to split into 2 companies.”