For the second consecutive month, existing-home sales rose, as three of the four major U.S. regions saw an increase in sales last month, the National Association of REALTORS® reported Wednesday.Total existing-home sales—which are completed transactions for single-family homes, townhomes, condos, and co-ops—rose 1.9 percent from October to a seasonally adjusted rate of 5.32 million in November. Sales, however, are still down 7 percent from a