Top 20 US Stock Turnover: Tesla's market value has fallen below $500 billion. Musk claims Tesla is simplifying its sales and delivery system. Tesla, ranked second, closed down 2.71% at $15.102 billion. Musk said on Tuesday that Tesla is simplifying its sales and delivery systems. According to reports, two of Tesla's top executives have resigned. On April 15th, Tesla executives Drew Baglino and Rohan Patel also announced their resignation after announcing in an internal email that they would lay off 10% of their workforce globally. Baglino was one of Tesla's early employees, serving for 18 years as the Senior Vice President of Powertrain and Energy Engineering, reporting directly to Musk. Patel joined Tesla in 2016 and served as the Vice President of Public Policy and Business Development at Tesla.