No Summary provided as the original text is short
- SPY: The ticker symbol for the SPDR S&P 500 ETF Trust, which tracks the performance of the S&P 500 index.
- QQQ: The ticker symbol for the Invesco QQQ Trust, an ETF that tracks the Nasdaq-100 Index.
- Ticker Symbol: A unique identifier for publicly traded shares of a particular stock on an exchange.