Airbnb shares surged 15% in extended trading after surpassing fourth-quarter earnings and revenue estimates. The company posted a net income, reversing a loss from the previous year. Airbnb highlighted technological improvements and recent product updates that have boosted conversion rates. The company also hinted at new offerings to launch in May but did not provide further details. Airbnb recorded increased nights and experiences booked, surpassing the previous year's total and analyst expectations.