"Mortgages (HKMGLEND) that need to be insured by the government because of risk experienced the steepest plunge in six years in 2011, a sign the biggest home price decline since the global credit crisis is accelerating. Property prices that have slid 6 percent since June may fall as much as 25 percent by 2013, estimates Andrew Lawrence of Barclays Capital, who predicted the initial slide in April."