The sheen is rubbing off on Musk's once-dentproof automaker as the stock is off to a bad start this year.

The electric-vehicle company's shares plummeted on the first day of the new year, after it missed its delivery targets.

When it lost more than $900 billion of its market value from peak to trough, it was the largest decline in the history of the company. The stock plummeted in December.

The slump was caused by CEO Musk's takeover of the micro-blogging site, as shareholders worry that he is distracted from his company. There is a decline in demand, tighter US rules on EV credits, and a production slowdown in Shanghai.

There are eight Wall Street experts and influential market voices who have to say about what's happening atTesla.

Paul Krugman, Nobel economist: Musk's MAGA backing is a marketing mistake

"Tesla is a brand whose customer base mostly consists of wealthy cultural liberals who were attracted in part by Musk's perceived with-it persona," Krugman wrote.

Musk's embrace of MAGA conspiracy theories is an almost inconceivably bad marketing move, designed to make his main buyers less likely to buy from him.

Experts say that Musk is empowering right-wing viewpoints with his political views.

Jeremy Siegel, Wharton professor: Tesla's valuation is too high 

The EV maker's valuation is a calculation of how much the company and its stock is worth.

It peaked at a forward price-to- earnings ratio of 180 times in late 2021. It is currently trading at 25 times.

The stock that was sent up over 50 times did not perform well in the future. Siegel said it was not the company that caused investors problems.

Cathie Wood, CEO of ARK Invest: Tesla will tempt customers back with price cuts

According to Wood, Musk's stock could rise to 1,500 in the next five years.

She said in the interview that there are people who won't buy his cars now.

If he does what we think he will do on the cost side, there are a lot of people who will use economics as their guide.

Dan Ives, Wedbush analyst: Musk must lay out these 3 things

"This year is going to be a fork in the road for the company, either it will lay the groundwork for its next chapter of growth or it will continue its slide from the top of the perch," he wrote.

It's time for Musk and Co. to lay out: 1) hittable 2023 target and delivery numbers with stable margins, 2) stop selling stock and document this on the next earnings call, and 3) finally name a newTwitter CEO so the distraction/attention risks aroundTesla start to abate

Edmunds analyst Ivan Drury: It's clear Tesla's just another car company

The company once struggled to meet demand, but now uses typical industry tricks to deal with inventory issues.

He told Insider that all of the problems were normal, but that the one that was different was the one that was broken all the rules by. They are falling into the same traps as the automakers.

The analyst thinks that there will be more price cuts byTesla. The company raced to be different. He said that they seem to be the same as everyone else.

Vanda research analyst Marco Iachini: Individual investors are dumping the stock

Iachini said that they are seeing the first signs of exhaustion.

Individual investors didn't pile in when the stock price went up. He said that a significant share of retail traders took advantage of yesterday's rebound to exit their positions.

The recent selloff has hit hard because individual investors have bought more of the company's stock in the past six months. He said that the group is feeling the pinch of the recent fall.

Morgan Stanley strategist Adam Jonas: Bet on Tesla to win the EV race 

There are hurdles to overcome between a worsening macro backdrop and record high unfavorability. In the face of all these pressures, we believe thatTesla will widen its lead in the EV race, as it uses its cost and scale advantages to further itself from the competition.

Fundstrat strategist Mark Newton: Too early to call a bottom 

Most of us are on board with what Musk is trying to do, according toNewton.

In a short period of time, the stock has plummeted. I don't think it's a good time to buy for people with short time frames.