First off, I want to make very clear this is a list of accessible resources explaining how the stock market works.
This is not a list of resources explaining some of the negative societal impacts of its results.
Those you can find at The Best Resources About Wealth & Income Inequality.
Whether we like it or not, the stock market does exist, and it’s worth helping our students develop a basic understanding of it.
Here are some resources that could help:
California Stock Market Simulation
Four Videos For Teaching About GameStop & The Stock Market
Bloom is an online stock market game.