Telsa (NASDAQ:TSLA) this week reported a dismal quarterly performance, but investors still rewarded the stock after top boss Elon Musk promised to return his focus to the company from his government advisory role and said the firm's robotaxi and artificial intelligence ambitions remained on track.

Even the perma-bull crowd of analysts covering Tesla warned of sorely disappointing results in Q1, a view signaled by the poor deliveries for the quarter reported in early April. But the numbers released after the market close on April 22 were much,