Home Breadcrumb caret Advisor to Client Breadcrumb caret Investing VIDEO: What are supply and demand? We explain these fundamental economic principles that affect everything from everyday transactions to stock market moves. December 12, 2016 | Last updated on December 12, 2016 1 min read We explain these fundamental economic principles that affect everything from everyday transactions to stock market moves. Read the transcript for Advisor.ca explains supply and demand Save Stroke 1 Print Group 8 Share LI logo