Some ups and downs in the housing market on the South Shore. The Nova Scotia Association of Realtors Multiple Listing Service shows housing sales are down nearly 10 per cent between September and November this year, compared to 2012. Meanwhile, listings have increased over the three month period by about seven per cent. President Gary Mailman says there could be some reasons to explain why sales have dropped.Mailman says final figures for 2013 will be released in January. He's optimistic there will be more activity in the real estate market in 2014.