Tech Stocks Dominate The S&P 500

The technology sector represents a quarter of the value of the major stock index, and big tech firms dominate the list of top 10 companies in the index.

S&P 500 Sector Breakdown

Top 10 by Index Weight

Constituent	Symbol	Sector*
Apple Inc.	AAPL	Information Technology
Microsoft Corp	MSFT	Information Technology
Amazon.com Inc	AMZN	Consumer Discretionary
Berkshire Hathaway B	BRK.B	Financials
Facebook Inc A	FB	Information Technology
JP Morgan Chase & Co	JPM	Financials
Johnson & Johnson	JNJ	Health Care
Exxon Mobil Corp	XOM	Energy
Alphabet Inc C	GOOG	Information Technology
Alphabet Inc A	GOOGL	Information Technology