![Sean Mitchell on Twitter: "When vocal #Tesla critic and short Mark Spiegel thought all the good news was a fake news bot. No, Mark, they are true stories... https://t.co/7eOKerJjPo" / Twitter Sean Mitchell on Twitter: "When vocal #Tesla critic and short Mark Spiegel thought all the good news was a fake news bot. No, Mark, they are true stories... https://t.co/7eOKerJjPo" / Twitter](https://pbs.twimg.com/media/DoRAyRVVsAAwSKg.jpg:large)
Sean Mitchell on Twitter: "When vocal #Tesla critic and short Mark Spiegel thought all the good news was a fake news bot. No, Mark, they are true stories... https://t.co/7eOKerJjPo" / Twitter
![Short seller Mark Spiegel lost 18% in 2018 when the market was down (he should have made money). His problem: he is a big short seller of Tesla and wrote that he Short seller Mark Spiegel lost 18% in 2018 when the market was down (he should have made money). His problem: he is a big short seller of Tesla and wrote that he](https://preview.redd.it/8tb27j2iq8921.jpg?auto=webp&s=6cb592055273625cd0c12d7f4b3e59e81a7a2da5)
Short seller Mark Spiegel lost 18% in 2018 when the market was down (he should have made money). His problem: he is a big short seller of Tesla and wrote that he
![Mark Spiegel's presentation on Tesla (TSLA) at the Kase Learning conf on short selling, 5/3/18. - YouTube Mark Spiegel's presentation on Tesla (TSLA) at the Kase Learning conf on short selling, 5/3/18. - YouTube](https://i.ytimg.com/vi/fCMTxtUz-O8/maxresdefault.jpg)