Priceline said fourth-quarter profit rose nearly 20 percent from the year-earlier period to about $452 million. Revenue totaled $1.84 billion versus $1.54 billion a year ago. Analysts were looking for $1.8 billion in the latest quarter. While Priceline narrowly topped rival Expedia Inc for gross bookings last quarter, its lower-than-expected first-quarter forecasts reflected weakening results due to a stronger U.S. dollar, just as U.S. domestic competition heats up following Expedia's acquisition of Travelocity in January and the planned purchase of Orbitz Worldwide Inc, announced earlier this month. Priceline said it expects revenue to increase between 4 percent and 11 percent in the first quarter, or up to $1.82 billion. Analysts had estimated $1.86 billion. Get the full story at Reuters and Bloomberg