Existing-home sales fall 3.4% in May

istock.com/SondraP WASHINGTON — Existing-home sales retreated for the fourth consecutive month in May, according to the National Association of Realtors. Month-over-month sales declined in three out of four major U.S. regions, while year-over-year sales slipped in all four regions. Total existing-home sales, completed transactions that include single-family homes, townhomes, condominiums and co-ops, fell 3.4% from April…