To gain an edge, this is what you need to know today. Please click here for an enlarged chart of SPDR S&amp;P 500 ETF Trust SPY which represents the benchmark stock market index S&amp;P 500 ( SPX ) . Headline CPI came at 0.4% vs. 0.3% consensus. Core CPI came at 0.3% vs. 0.3% consensus.

<p>To gain an edge, this is what you need to know today. Please click here for an enlarged chart of SPDR S&P 500 ETF Trust SPY which represents the benchmark stock market index S&P 500 ( SPX ) . Headline CPI came at 0.4% vs. 0.3% consensus. Core CPI came at 0.3% vs. 0.3% consensus.</p>

- The article discusses key financial data relevant for gaining an edge in the market.  
- Headline CPI was reported at 0.4%, exceeding the 0.3% consensus, while Core CPI matched the consensus at 0.3%.  
- The information pertains to the SPDR S&P 500 ETF Trust, which tracks the S&P 500 index.  

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