KEY POINTS
  • The posts seem unoffensive by Musk's standard, given his penchant for inflammatory tweets. But the incident raises questions about the effectiveness of an SEC fraud settlement and attempts to rein in Musk's online antics.
  • Musk's tweets have proven to move the stock as much as 10 percent in some cases, and invited a defamation lawsuit from a British rescue diver who sparred with Musk online.
Tesla Chief Executive Elon Musk stands on the podium as he attends a forum on startups in Hong Kong, China.

Elon Musk tweeted — then revised — projections for full-year Tesla manufacturing numbers.

The CEO said late Tuesday that Tesla would make "around" 500,000 vehicles in 2019, later clarifying he "meant to say" the company's annualized production rate at the end of 2019 could be around 500,000 vehicles — or a production rate of 10,000 cars per week. Total deliveries for the year are still estimated at 400,000, Musk said.