KEY POINTS
  • Shares of Tesla rose more than 16% to a new all-time high on Monday, before giving back those gains and falling into negative territory during afternoon trading.
  • At one point during morning trading, Tesla's market value increased to $321 billion, according to FactSet, making it the 10th-largest U.S. stock by market value.
  • As the company's valuation climbs ever higher, speculation is growing that the company will soon join the S&P 500.

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In a volatile session, shares of Tesla fell into negative territory during afternoon trading on Monday, giving back a more than 16% jump from earlier in the session that had pushed the stock to a new all-time intraday high of $1,794.99.

Still, Tesla has been on a record run this year as investors continue to favor the Elon Musk-led company. And as the electric vehicle maker's valuation climbs ever higher, speculation is growing that it will soon join the S&P 500.

In this article