Everyone knows by now that MicroStrategy looks a lot like a giant Bitcoin ETF. Its founder, Michael Saylor, is a huge supporter of the cryptocurrency and his company has been snapping up billions of dollars worth of the coins. The strategy has so far proved successful. In fact, MicroStrategy is trading at a market cap that's worth more than the value of its entire Bitcoin portfolio. How does this happen? And how long can it keep going? In this episode, we speak with Bloomberg Opinion's Matt Levine. We talk to him about how MicroStrategy has created a sort of "perpetual motion machine" of investment and how the strategy is starting to expand to other companies, too.

Money Stuff: Crypto Perpetual Motion Machines

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