Tesla shares edged higher in early Friday trading, but have lost nearly have of their value since mid-December, and a top Wall Street analyst suggests there could be more declines ahead tied to weakness in the group's core automaking business.

Another analyst cut a target price for Tesla stock because car business fundamentals are “spoiling razzle-dazzle momentum.” The price target cuts are piling up. On Friday, Wells Fargo analyst Colin Langan cut his Tesla price target to $130 from $135.

Tesla backlash continues as the stock nosedives and Musk pushes conspiracy theories about protests and arsons at dealerships.

The speaker of the House of Representatives (R-Louisiana) said Congress would probe “domestic terrorism” attacks on the Tesla brand after the company's vehicles, dealerships and charging stations were targets of vandalism,

Explore the main reason why the Tesla stock price is crashing, and what to expect in the coming months after Trump's intervention

The first place I would look for a clue from Tesla options is the weighted put-call ratio. That chart is shown below. There was a local minimum at an extremely low level last Dece