Tesla shares plummeted after a dismal earnings report and news that the company's chief technology officer, J.B. Straubel, would be stepping down. Tasha Keeney, ARK Invests Analyst, joins Akiko Fujita on 'The Ticker' to discuss. Subscribe to Yahoo Finance: https://yhoo.it/2fGu5Bb About Yahoo Finance: At Yahoo Finance, you get free stock quotes, up-to-date news, portfolio management resources, international market data, social interaction and mortgage rates that help you manage your financial life. Connect with Yahoo Finance: Get the latest news: https://yhoo.it/2fGu5Bb Find Yahoo Finance on Facebook: http://bit.ly/2A9u5Zq Follow Yahoo Finance on Twitter: http://bit.ly/2LMgloP Follow Yahoo Finance on Instagram: http://bit.ly/2LOpNYz