8. Elon Musk's "funding secured" fail
The Securities and Exchange Commission (SEC) sued Musk for fraud in September, claiming this August 7, 2018 tweet about securing private funding for Tesla was false and misleading.
Musk quickly settled the suit by agreeing to step down as Tesla's chairman and pay $40 million in penalties, among other stipulations.
SEE: Photo Galleries (TechRepublic Flipboard magazine)