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Business & Stocks Economic Times Markets • Oct 08, 2026

US Stock Markets Slide: S&P 500 and Nasdaq Drop as Crude Oil Surges and Chip Stocks Weaken Amid Middle East Tensions

💡 Key Takeaways

•S&P 500 and Nasdaq Composite indices closed lower amid rising geopolitical tensions in the Middle East.
•Crude oil prices surged significantly, adding macroeconomic pressure to global equity benchmarks.
•The semiconductor sector declined following a reported revenue target cut by OpenAI.

NEW DELHI [NCRBuzz Wire] — ### Wall Street Indices Retreat Amid Geopolitical and Sectoral Pressures

**US equities experienced a broad-based sell-off on Thursday as investors grappled with surging crude oil prices and downbeat sentiment across high-growth technology stocks.** The benchmark S&P 500 and the tech-heavy Nasdaq Composite both settled in negative territory, reflecting heightened macroeconomic anxiety and geopolitical risks originating from the Middle East.

### Crude Oil Surge and Semiconductor Weakness Drive Volatility

**Energy market shocks compounded existing equities stress, while a revision in financial projections for artificial intelligence pioneer OpenAI weighed heavily on chipmaker valuations.** Market participants re-evaluated risk exposures as escalating regional conflicts threatened global energy supply chains, directly impacting equity valuations across multiple sectors.

### Market Performance Metrics

| Index / Sector | Session Trend | Key Driver |

|---|---|---|

| S&P 500 | Lower | Crude oil price surge and broad equity sell-off |

| Nasdaq Composite | Lower | Chip sector weakness and technology stock correction |

| Crude Oil | Upward | Intensifying Middle East geopolitical tensions |

| Semiconductor Sector | Downward | OpenAI revenue target cut and valuation reassessment |

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🏛️ Background Context

Global equity markets remain highly sensitive to energy supply shocks and geopolitical developments in the Middle East. Concurrently, high-valuation technology and semiconductor stocks face stringent scrutiny over forward-looking earnings projections and growth deceleration risks.

💡 Citizen & Commuter Quick Explainer (FAQ)

Q1: What caused the US stock market indices to slide on Thursday?

A sharp surge in crude oil prices driven by escalating Middle East tensions and downward revisions in chip sector expectations triggered the sell-off.

Q2: Which major benchmarks were affected by the market downturn?

Major US benchmarks including the S&P 500 and the tech-heavy Nasdaq Composite closed lower during the session.

Q3: What specific corporate development impacted the semiconductor sector?

The chip sector experienced added volatility and downward pressure following the disclosure of a revenue target cut for OpenAI.

Verified Wires: Economic Times Markets Original Wire Dispatch ↗

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