The Knight Frank Global House Price Index shows the cost of housing in Riga, Latvia, jumped 37.7% in the second quarter of 2007 – the biggest spike in the world. Bulgaria came in second with a 27.1% leap in residential property prices, the Sophia News Agency reported Thursday. Latvia’s increase was actually down from the 45.3% increase in the same period last year, while Bulgaria’s is up from a 12.2% hike in the comparable period of 2006.

Global property prices rose at an 7.8% annual rate in the Q2, down from 9.6% a year earlier, the British real estate research firm reported. (m&c.com)