Sectors: Why Groups of Stocks Move

Stocks in the same sector often move together on shared drivers. These guides explain what moves each group - and when you want the reason behind a specific move today, type any ticker into ExplainThisMove.

• Why Are Tech Stocks Up or Down Today?
  When tech stocks move as a group, the cause is usually shared: interest rates, AI sentiment, or mega-cap earnings. Here is what drives the sector.
• Why Are Bank Stocks Up or Down Today?
  Bank and financial stocks move as a group on interest rates, the economy, and credit conditions. Here is what drives them.
• Why Are Energy Stocks Up or Down Today?
  Energy stocks largely move with oil and gas prices, OPEC+ decisions, demand, and geopolitics. Here is what drives the sector.
• Why Are Semiconductor (Chip) Stocks Moving Today?
  Chip stocks are among the market's most volatile groups, moving on AI demand, the semiconductor cycle, and China export policy.
• Why Is Crypto Up or Down Today?
  Cryptocurrencies move together, led by Bitcoin, on macro risk appetite, ETF flows, regulation, and leverage. Here is what drives the market.
• Why Are Healthcare Stocks Up or Down Today?
  Healthcare - drugmakers, insurers, devices, biotech - moves on defensive flows plus drug pricing, FDA decisions, and medical-cost trends.
• Why Are Retail and Consumer Stocks Moving Today?
  Retail and consumer stocks move on the health of the consumer - spending, confidence, and income - plus trade-down behavior and inventory.
• Why Are Homebuilder and Housing Stocks Moving Today?
  Homebuilder stocks are among the most rate-sensitive groups. When they move together, mortgage rates and the 10-year yield are usually why.
• Why Are Airline Stocks Up or Down Today?
  Airline stocks are cyclical, moving together on travel demand, jet-fuel (oil) prices, capacity, and the economy. Here is what drives them.