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WASHINGTON, DC - JUNE 23: A 'For Sale' sign sits in the front yard of a townhouse June 23, 2015 in Northeast Washington, DC. Purchases of new homes in the U.S. rose in May to the highest level in seven years, signaling that the industry may be gaining momentum heading toward the second half of the year. (Photo by Drew Angerer/Getty Images)

WASHINGTON, DC - JUNE 23: A 'For Sale' sign sits in the front yard of a townhouse June 23, 2015 in Northeast Washington, DC. Purchases of new homes in the U.S. rose in May to the highest level in seven years, signaling that the industry may be gaining momentum heading toward the second half of the year. (Photo by Drew Angerer/Getty Images)