Stock Market Sectors Explained
The stock market is divided into 11 sectors based on the Global Industry Classification Standard (GICS). Understanding sectors helps you diversify your portfolio and identify where market capital is flowing.
What Are Stock Market Sectors?
Sectors are broad categories that group companies with similar business activities. The GICS classification system, maintained by MSCI and S&P, divides the market into 11 sectors. Each sector contains multiple industries and sub-industries.
The 11 Market Sectors
Technology
Includes software companies, hardware manufacturers, semiconductor makers, IT services firms, and internet companies. Major stocks: AAPL, MSFT, NVDA, GOOGL.
Healthcare
Covers pharmaceuticals, biotechnology, medical devices, hospitals, health insurance, and health services. Major stocks: UNH, JNJ, LLY, PFE.
Financials
Includes banks, insurance companies, asset managers, brokerage firms, and financial services. Major stocks: JPM, BAC, GS, BRK.B.
Energy
Covers oil & gas exploration and production, refining, pipeline operators, and oilfield services. Major stocks: XOM, CVX, COP, SLB.
Consumer Discretionary
Includes retail, automotive, apparel, restaurants, media, hotels, and leisure companies. Major stocks: AMZN, TSLA, HD, NKE.
Consumer Staples
Covers food, beverages, tobacco, household products, and personal care — essentials that consumers buy regardless of economic conditions. Major stocks: PG, KO, PEP, WMT.
Industrials
Includes aerospace & defense, construction, machinery, transportation, business services, and staffing. Major stocks: BA, CAT, GE, UNP.
Materials
Covers chemicals, metals, mining, paper, packaging, and construction materials. Major stocks: LIN, APD, SHW, NEM.
Utilities
Electric, gas, and water utilities plus independent power producers and renewable energy companies. Known for stable dividends. Major stocks: NEE, DUK, SO, AEP.
Real Estate
Primarily Real Estate Investment Trusts (REITs) including residential, commercial, industrial, and specialized real estate. Major stocks: AMT, PLD, CCI, EQIX.
Communication Services
Telecom providers, media companies, entertainment, advertising, and interactive media. Major stocks: META, GOOGL, DIS, NFLX.
Sector Rotation
Sector rotation is the movement of investment capital from one sector to another based on the economic cycle. During economic expansion, cyclical sectors like Technology and Consumer Discretionary tend to outperform. During recessions, defensive sectors like Utilities, Healthcare, and Consumer Staples typically hold up better.
Track sector performance on our Sectors page to see which sectors are leading or lagging today, with aggregated gain/loss data, volume, and market cap for each sector.