Existing Home Sales Plummet By Young Research - August 24, 2010 Existing home sales plummeted 27% in July to a new 15-year low. Existing home sales have now entered double-dip territory. At the current rate of sales, there is a surplus of more than 12 months of existing home supplyโa 28 year high. Share this: Email a link to a friend (Opens in new window) Email Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook RELATED ARTICLESMORE FROM AUTHOR US Home Sales Rebound to Highest Level Since December Existing-Home Sales Drop 3.6% as Affordability Tightens US ExistingโHome Sales Rebound 1.7% in February