TripAdvisor (TRIP) - Get Report stock climbed $2.84, about 6%, to $49.29 a share on Tuesday afternoon after the online travel company announced this morning that it will add hotel inventory from certain Expedia (EXPE) - Get Report brands to its instant booking platform.

U.S. consumers can now use TripAdvisor's booking feature - which simply requires users to click a "Book Now" button to make a reservation - to reserve rooms through certain of online travel company Expedia's brands, the Needham, Mass.-based company said in a statement this morning.

Transactions and customer service issues related to any reservations made under Expedia's brands will be handled by Expedia or the hotel, according to TripAdvisor.

It is unclear which Expedia brands will be available through the booking feature.

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Bellevue, Wash.-based Expedia operates through and online travel sites including and

"Adding Expedia to the instant booking platform nicely complements TripAdvisor's existing hotel inventory and helps users shop for a great deal on a hotel," said TripAdvisor's Robin Ingle, senior VP of global sales.

TripAdvisor's partners include Best Western, Choice Hotels (CHH) - Get Report and Hyatt Hotels (H) - Get Report .

Shares of Expedia rose $1.64, 1.41%, to $117.86 in Tuesday afternoon trading.