The conversation between human and AI assistant.
[|Human|] Name the list of S&P 500 companies which as of August 31, 2022  accounted for 27.8% of the market capitalization of the index. List the results in comma separated format.
[|AI|] Apple, Microsoft, Alphabet, Amazon.com, Tesla, Berkshire Hathaway, UnitedHealth Group, Johnson & Johnson, ExxonMobil
[|Human|] 
Name the list of S&P 500 companies which as of August 31, 2022  accounted for 27.8% of the market capitalization of the index. List the results in comma separated format.