Tech companies, particularly those associated with artificial intelligence work, led the S&P 500's gains. The "Magnificent Seven" tech stocks - Apple, Microsoft, Alphabet, Amazon, Nvidia, Tesla, and Meta - increased 75% on average in 2023 and represented 30% of the index's total market value at the end of the year. Nvidia, known for its high-performance chips used in AI, had the best year, gaining nearly $190 billion in value overnight. Over the last 12 months, the index has risen 21.83%.
Key takeaways:
- The S&P 500 index hit an all-time closing high, closing at 4,839.81, surpassing the previous record set in January 2022.
- Big Tech firms, particularly those associated with artificial intelligence, led the S&P 500's gains. The "Magnificent Seven" tech stocks - Apple, Microsoft, Alphabet, Amazon, Nvidia, Tesla and Meta - increased 75 percent on average in 2023.
- Investors in 2022 had about $5.7 trillion in assets passively indexed to the S&P 500 and another $5.7 trillion in funds that use it as a benchmark comparison.
- The stock market's performance could potentially influence voters' feelings about the economy and affect the 2024 election.