No Summary provided as the original text is short
- Consumer Price Index (CPI): A measure that examines the average change in prices paid by consumers for goods and services, used to gauge inflation.
- Inflation Rate: The percentage increase in the average price level of goods and services over a specific period, reflecting purchasing power changes.
- Market Index ETFs: Exchange-traded funds such as $DIA, $SPY, and $QQQ that track major U.S. stock indexes, providing exposure to broad market movements.