The 10 biggest winners in the S&P 500 this year were led by an oil giant Warren Buffett owns. The top stocks saw a combined $357 billion increase in market value.
About 70% of S&P 500 companies saw negative returns in 2022, which makes it all the more impressive for energy stocks to print such massive gains.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction: The 10 biggest winners in the S&P 500 this year were led by an oil giant Warren Buffett owns. The top stocks saw a combined $357 billion increase in market value.

### Response: About 70% of S&P 500 companies saw negative returns in 2022, which makes it all the more impressive for energy stocks to print such massive gains.