Ending a six-month run of spiraling demand, sales of existing homes in the US contracted in November.<br />It's being read as a signal that rising prices and historically low supply is finally slowing the housing market's rally.<br />According to Business Insider, the National Association of Realtors says home sales fell 2.5% last month to a seasonally adjusted annual rate of 6.69 million.<br />The median price for existing homes fell to a six-month low as well, dipping month-over-month to $310,800 from $313,100.<br />Even so, the pace is still up 25.8% from the year-ago period.