Nikkei hits near 5-year highs, exporters firm as yen continues to wobble

* Real estate firms under pressure as investors cash in gains * Exporters stay firm as yen falls to lowest since May 2009 vs dollar By Dominic Lau TOKYO, April 9 (Reuters) - Japan's Nikkei average rose to its highest in nearly five years for a third straight day on Tuesday as investors were upbeat after the central bank conducted its first bond buying operations as part of sweeping stimulus measures announced last week. The Nikkei advanced 0.3 percent to 13,233.46 after tradin