From HousingWire.com:U.S. existing-home sales rose 21 percent in June, the biggest monthly gain on record, according to the National Association of Realtors.Sales of single-family homes, townhomes, condominiums, and co-ops rose to a seasonally adjusted 4.72 million at an annual pace after three consecutive months of declines, NAR said in a Wednesday report. The median price rose 3.5 percent...