Dow slips to start Tuesday trade as investors weigh corporate quarterly results, economic reports, await Yellen remarks

U.S. stock indexes opened lower Tuesday, a day after the S&P 500 index and the Dow Jones Industrial Average put in a strong start to May, pushing the equity benchmarks near records. Investors are awaiting comments from Treasury Secretary Janet Yellen at 11 a.m. ET and again at 4 p.m. at an event hosted by The Wall Street Journal, as they assess earnings from the likes of Pfizer and CVS Health Corp. and economic data that has recently helped to power a rotation into energy and banking assets. The Dow Jones Industrial Average [: DJIA] was off 0.1% at 34,066, the S&P 500 index declined 0.5% at 4,172, while the Nasdaq Composite Index was trading 1.1% lower at 13,743.

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