The quickening pace of home sales over the past year included a small rebound from two key segments of buyers who have been missing in action in recent years: first-time buyers and single women. This is according to the National Association of REALTORS' annual Profile of Home Buyers and Sellers, which also found that for-sale-by-owner transactions remained at an all-time low of 8 percent for the second straight year. Nearly 90 percent of all respondents worked with a real estate agent to buy or sell a home. Click here to learn more.