5 things to know before the stock market opens Tuesday - CNBC

Stock futures are relatively flat Tuesday morning on Wall Street, while Pfizer and Burger King's parent company delivered first-quarter earnings beats.

Here are the most important news, trends and analysis that investors need to start their trading day: 1. Stock futures are flat after Monday's intraday reversal Traders work on the floor of the New… [+5304 chars]

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