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John Authers

Elon Musk's Big Tech Bubble Ride Isn't Forever

Tesla is priced on the assumption it will have an eternal monopoly. If electric cars catch on, that will prove wrong.

Short sellers aren’t having much luck with this target.

Short sellers aren’t having much luck with this target.

Photographer: LAURENT EMMANUEL/AFP/Getty Images

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Just how well is Elon Musk’s electronic vehicle company Tesla Inc. doing? It is just over a decade since it went public, on June 30, 2010. Anyone who put $100 into the MSCI World Autos index at that point would now have $177; and anyone who put the same amount into Tesla would have $6,482.