Here's the list of top 10 companies with the biggest market value at the end of October 2022.

1. Apple Market Value - $2.4 Trillion

2. Saudi Aramco Market Value - $2 Trillion

3. Microsoft Market Value - $1.7 Trillion

4. Alphabet Market Value - $1.2 Trillion

5. Amazon Market Value - $1.1 Trillion

6. Tesla Market Value - $0.7 Trillion

7. Berkshire Hathaway Market Value - $0.6 Trillion

8. United Health Market Value - $0.5 Trillion

9. ExxonMobil Market Value - $0.4 Trillion

10. Johnson & Johnson Market Value - $0.4 Trillion