Marathon Digital CEO Fred Thiel (MARA) explains why his bitcoin mining company needs to buy bitcoins. Is El Salvador’s cryptocurrency experiment already a failure on day one? Why Digital Ocean (DOCN) is moving into serverless computing. Match Group (MTCH) tells us how dating and sex have changed during the pandemic. Tracking the growth of Tandem Diabetes Care (TNDM) as more Americans are diagnosed with the disease. The Drill Down with Cory Johnson offers a daily look at the business stories behind stocks on the move.

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