0:00
19:14
How one man's quest to dominate the onion market changed commodities trading, and potentially how much you pay at the grocery store, forever. | Subscribe to Planet Money+ in Apple Podcasts or at plus.npr.org/planetmoney.
Learn more about sponsor message choices: podcastchoices.com/adchoices
NPR Privacy Policy
Learn more about sponsor message choices: podcastchoices.com/adchoices
NPR Privacy Policy
More episodes from "Planet Money"
Don't miss an episode of “Planet Money” and subscribe to it in the GetPodcast app.