Name some public companies that have been valued at over 1 trillion dollars.
The following are public companies that have been valued at over 1 trillion dollars:
- Apple
- Microsoft
- Google
- Amazon
Instruction: Name some public companies that have been valued at over 1 trillion dollars.
Context: 
Response: The following are public companies that have been valued at over 1 trillion dollars:
- Apple
- Microsoft
- Google
- Amazon