What We're Following This Morning

Tonight’s GOP debate: Republican presidential candidates meet in Boulder, Colorado for a debate organized by CNBC. Ben Carson leads the field, having rallied past Donald Trump in many national polls.

Fed rate decision: The Federal Reserve’s two-day meeting ends today, but it’s unlikely the central bank will announce an increase in interest rates. Investors will look for clues on whether—or not—the Fed will hold rates steady for the rest of the year.

An epic Game 1: After 14 innings and more than five hours, the Kansas City Royals beat the New York Mets 5-4 in the first game of the World Series. Game 2 is tonight.