Tesla is the biggest S&P 500 loser this year, down even more than Boeing

• Tesla's 2024 is not going so well.
• The electric carmaker's shares have plummeted more than 30%, erasing about $230 billion of value.
• Slowing sales could continue to drag on Elon Musk's company, according to analysts.

Tesla began the year as the newest member of the "Magnificent Seven" group after its stock racked up triple-digit gains in 2023.

Close to three months later, the electric carmaker holds a much less enviable title — it's the S&P 500's biggest loser year-to-date.

Tesla shares have plummeted about 30% year-to-date, wiping about $230 billion off the company's value.