Stock Market Today: Dow Jones, S&P 500 Extend Monday's Losses; Palantir Plummets After Earnings (Live Coverage)

Bob Pisani, CNBC’s Longtime NYSE Reporter, to Leave His Role

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Stock Market Today: Dow, S&P 500 Futures Dip After Wall Street Breaks Winning Streak — Live Updates

Stock Market Today: Dow, S&P 500 and Nasdaq fall as rally stalls; Fed starts 2-day meeting; Palantir shares dive after earnings