The phrase "downward pressure" means a situation where something is being pushed or forced downwards, typically causing a decrease or decline in something. Full definition
More aggressive distribution will likely put downward pressure on prices. (morpheustrading.com)
Many sellers are intimidated when there are distressed properties for sale in the area or foreclosures putting downward pressure on prices. (allisonmeehan502.realtor)
Increasing numbers of foreclosures and the economy's failure to produce jobs will likely exert downward pressure on home prices and home sales for some time to come, despite record low mortgage rates. (ourvalleyhomes.net)