Tesla CEO Elon Musk Is Working On Master Plan 3. The Stock Is Jumping.

  • Order Reprints

  • Print Article

A Thursday tweet from Tesla CEO Elon Musk seems to be helping the stock. All it says is “working on Master Plan Part 3,” but people who follow the electric-vehicle company know exactly what Musk is talking about.

Part 3 of the master plan would follow Part Deux, published in 2016, and Part 1, written by Musk in 2006. Plan 1 called for a low-volume car that would be expensive, but would help the company to build a medium-volume vehicle. Those cars are, essentially, the Model S and the Model 3, respectively, although the Model…