What Wall Street missed about Tesla's social media teaser, and why it could offer the turning point Elon Musk desperately needs

NBC News reported last month that Tesla vehicles using Full Self-Driving software sometimes fail to stop for train tracks.

Speculators believe we may finally be seeing an update on the long-awaited second-generation Roadster, or that it may be a reveal of a mass market model.

Teslas can park themselves when they arrive at your destination -- and you can pick whether that's on the street, in a driveway or in a parking garage. The car will remember your preference for next time. While the software already allowed for a more basic level of parking, v14 improves on this.

The preeminent EV manufacturer has been in the crosshairs of federal investigators over its semi-autonomous programs for years now.

Tesla reported 497,000 deliveries for the third quarter, as customers raced to buy its cars before the $7,500 EV tax credit expired earlier this week.

Due to Tesla's innovation and diversification, 24/7 Wall St. sees strong upside potential for the stock by the end of the decade.

During a rough week for electric-vehicle makers in the U.S., Tesla investors got at least one piece of good news on Thursday. The EV maker reported a pronounced increase in salesb