Priceline.com’s adjusted quarterly earnings beat the forecasts — up 28 percent — as international business surged. The online travel agency’s per-share earnings were $6.77; revenue was $1.19 billion, up nearly 33 percent over a year. CEO Jeffery H. Boyd said international bookings grew 43 percent, showing “the resilience of the business in 2012 despite economic uncertainty in our core European market.” Priceline forecasts first-quarter 2013 earnings of $4.90 to $5.30, versus an average analyst estimate of $5.14.