Tesla's stock is down about 40% since hitting a high late last year and investors are bracing for more losses as Elon Musk continues to raise his profile in Washington with President Donald Trump. Tesla's market value fell below $1 trillion this week, but Musk still tops the Bloomberg Billionaires Index. Bloomberg's Max Chafkin, a panelist on the Elon, Inc. podcast, reports on "Bloomberg Open Interest." (Source: Bloomberg)
