Traders on the floor of the New York Stock Exchange.
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Baring the unexpected, economic data and the Federal Reserve are expected to get the bulk of Wall Street's attention, starting on Tuesday.
The question for Wall Street is, "are we looking at ongoing weather-related data, or are we going to see incremental improvement?" asks Art Hogan, chief market strategist at Wunderlich Securities.
The Ukraine crisis is "something to keep our eyes on, in terms of trading, but maybe it comes off the trader screen for the next few days, as we have the Fed on Wednesday," JJ Kinahan, chief strategist at TD Ameritrade, said of the two-day policy session that starts Tuesday and culminates with a policy decision and Janet Yellen's first news conference as chair of the U.S. central bank.
