A prolonged East Coast and Gulf Coast port strike could moderately increase prices for a range of goods, experts told ABC News. That upward pressure on prices would result from a shortage of products caught up in the supply chain blockage, leaving too many dollars chasing after too few items, they added.

Negotiations are down to the wire ahead of a possible strike that could mean more shipping delays before the holiday shopping season. Dock workers at some of the country's busiest ports are set to walk off the job if they don't get a deal by tomorrow night.