Stocks slide as tech sector drags and oil rises

Mar 30, 2026 11:35 PM ISTUS Stock Market Live Updates: Energy stocks power S&P 500 highs as defensives and healthcare lag Nine S&P 500 names touched fresh all-time highs on Monday, led by a strong run in energy and industrial plays, even as a separate set of stocks slipped to multi-month or longer-term lows. Among the standout gainers, Sempra Energy climbed to record levels for the first time since its formation in 1998, while EOG Resources hit highs dating back to its 1999 listing. Oil majors ExxonMobil and Chevron also traded at historic peaks, alongside refiners Phillips 66, Valero Energy, and Marathon Petroleum. Fertiliser producer CF Industries and agriscience firm Corteva rounded out the list. On the other end of the spectrum, seven stocks sank to 52-week or deeper lows, reflecting pockets of weakness across healthcare, consumer, and industrial segments. These included Boston Scientific, Insulet, and Baxter International, along with Domino’s Pizza, Builders FirstSource, Otis Worldwide, and TransDigm.

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