- The record level adds a third tech company to the list of firms with four-comma valuations.
- The list of highest-valued firms remains tech-heavy, though oil behemoth Saudi Aramco maintains the world's highest market cap at $1.84 trillion.
- Here are the 11 highest-valued public companies in the world, ranked in ascending order.
- Visit the Business Insider homepage for more stories .
Alphabet's soaring stock just pushed it above a $1 trillion market cap. Here are the 11 highest-valued public companies.
Alphabet is the latest company to reach a $1 trillion valuation in public trading after closing at a record high Thursday .
Alphabet is the latest firm to join the small group of companies with market caps higher than $1 trillion, further cementing the tech sector as the highest valued in public markets.
The Google-parent's Thursday close set the stock high enough to notch a valuation above the four-comma threshold. The record level also helped push Big Tech the five stock group comprised of Alphabet , Amazon , Apple , Facebook , and Microsoft past a $5 trillion market valuation for the first time.
The S&P 500's information tech sector is dominating all of the index's other subgroups in the year-to-date, after already posting a 50% return in 2019 . The group's massive run-up was primarily driven by Apple stock, as the iPhone maker gained more than 80% last year.
Apple was the first company to reach a $1 trillion valuation in August 2018, and held the crown as the highest-valued public company as recently as December 11. The tech giant lost its top spot when Saudi Aramco debuted on public markets with a record-breaking $1.7 trillion valuation .
Aramco stock proceeded to surge high enough to hit a $2 trillion valuation before paring gains through January.
Here are the 11 highest-valued public companies around the world, ranked in ascending order. Data is as of 3:00 p.m. ET on January 17.
11. Visa
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Market cap: $350 billion
Year-to-date performance: up 8.7%
10. JPMorgan Chase
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Market cap: $433 billion
Year-to-date performance: down 0.5%
9. Tencent
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Market cap: $491 billion
Year-to-date performance: up 12.4%
8. Berkshire Hathaway
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Market cap: $561 billion
Year-to-date performance: up 1.7%
7. Alibaba
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Market cap: $608 billion
Year-to-date performance: up 6.2%
6. Facebook
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Market cap: $639 billion
Year-to-date performance: up 8.1%
5. Amazon
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Market cap: $921 billion
Year-to-date performance: up 0.6%
4. Alphabet
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Market cap: $1 trillion
Year-to-date performance: up 10.2%
3. Microsoft
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Market cap: $1.27 trillion
Year-to-date performance: up 5.5%
2. Apple
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Market cap: $1.39 trillion
Year-to-date performance: up 8.7%
1. Saudi Aramco
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Market cap: $1.84 trillion
Year-to-date performance: down 1.6%
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