Oil prices hit a 21-year low. United Airlines reports a $2.1 billion quarterly loss. And Facebook unveils a new tracking map for COVID-19 symptoms. Motley Fool analyst Emily Flippen discusses those stories and weighs in on the meaning of 420 and the future of cannabis stocks.

Direct download: market_foolery_04_20_2020.mp3
Category:podcast -- posted at: 4:15pm EDT