Stock Market Today: Dow, S&P 500 struggle for direction; Nasdaq lower as Brent oil climbs above $100 and Trump cancels U.S. envoys' trip to Pakistan

The blue-chip Dow is being weighed down early Monday by a slump in tech stocks, but that isn’t the only thing.
Apple, IBM, McDonald’s, Amazon and Microsoft were among the stocks providing the biggest drag on the Dow in choppy, according to FactSet.