After two straight months of modest increases, pending home sales dipped in April to their third-lowest level over the past year, according to the National Association of Realtors. All major regions saw no gain in contract activity last month.

The Pending Home Sales Index, a forward-looking indicator based on contract signings, declined 1.3 percent to 106.4 in April from an upwardly revised 107.8 in March. With last month's decrease, the index is down on an annualized basis (2.1 percent) for the fourth straight month.