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Markets Score 35 Neutral

Dow and S&P 500 Reverse Gains Amid Mixed Tech Sector Performance

Mar 10, 2026 20:20 UTC
MU, ^DJI, ^GSPC
Immediate term

The Dow Jones Industrial Average and S&P 500 reversed early gains Thursday, closing flat to slightly negative, as investor sentiment wavered. Micron Technology (MU) stood out with a 3.2% surge, driven by stronger-than-expected data center demand and a positive guidance update.

  • Dow Jones Industrial Average (^DJI) closed flat at 39,572.43 after a 0.4% intraday peak.
  • S&P 500 (^GSPC) ended down 0.12% at 5,427.89, reversing a midday 0.6% gain.
  • Micron (MU) surged 3.2% to $139.45 on stronger-than-expected data center demand and revised guidance.
  • Nvidia (NVDA) fell 1.8% amid speculation over potential AI chip export restrictions.
  • 10-year Treasury yield rose to 4.41%, reflecting persistent inflation concerns.
  • Semiconductor sector showed mixed performance, with ASML (ASML) and AMD (AMD) declining 0.7% and 0.9%, respectively.

The U.S. equity markets began the session with modest momentum, but late-day selling pressure erased advances. The Dow Jones Industrial Average (^DJI) ended flat at 39,572.43, having briefly touched a high of 39,711 earlier in the session. The S&P 500 (^GSPC) dipped 0.12% to close at 5,427.89 after climbing above 5,450 midday. Micron Technology (MU) was the standout performer, rising 3.2% to $139.45 on heavy volume. The gain followed a midday announcement confirming a 15% year-over-year increase in data center SSD shipments and a revised full-year revenue outlook above consensus estimates. Analysts noted the company’s memory chip pricing stabilized in the first quarter, supporting margin recovery. Despite MU’s strength, broader tech sector sentiment remained fragile. The Nasdaq Composite declined 0.4%, pressured by a 1.8% drop in Nvidia (NVDA) shares after a Bloomberg report highlighted potential regulatory scrutiny over AI chip export controls. Other semiconductor names, including AMD (AMD) and ASML (ASML), posted modest losses. Market participants are closely monitoring Treasury yields, which edged higher—10-year yields rose to 4.41%—as inflation data from the prior week continues to influence expectations for Federal Reserve rate cuts in 2026.

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