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US markets rally

US stock markets opened higher on Wednesday, August 5, with the S&P 500 and Dow Jones Industrial Average hitting fresh intraday record highs as strong corporate earnings and optimism over a potential reopening of the Strait of Hormuz boosted investor sentiment. The S&P 500 gained 0.6%, while the Dow rose over 500 points, or 1%. The Nasdaq Composite added 0.4%. Walt Disney and Eli Lilly advanced after strong earnings, while SpaceX and AMD declined despite beating estimates.
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CNBC TV18•28-09-2026, 19:54
US Stocks Plunge as Oil Prices Soar, Treasury Yields Jump Amid US-Iran Tensions
  • •US stocks opened lower with the Dow Jones Industrial Average falling over 300 points due to rising oil prices and Treasury yields.
  • •Brent crude rose over 2% to $106.79 a barrel, and West Texas Intermediate gained around 2% to $94.40 after President Donald Trump rejected Iran's ceasefire conditions.
  • •The benchmark 10-year Treasury yield traded above 5.2%, and the 30-year yield topped 5.5%, adding pressure on equities.
  • •AI-linked stocks like Advanced Micro Devices, Micron Technology, Amazon, Microsoft, and Meta led major indexes lower.
  • •Investors await key economic data this week, including the August Personal Consumption Expenditures price index, US manufacturing data, and the September jobs report.

Key Questions Answered

US stocks fell as rising oil prices and a jump in Treasury yields weighed heavily on investor sentiment amid renewed US-Iran tensions. The decline came after President Donald Trump rejected ceasefire conditions proposed by Iran.

Brent crude rose above $106 a barrel and West Texas Intermediate futures gained about 2% after President Donald Trump rejected Tehran's proposal to reopen the Strait of Hormuz and end the war. Simultaneously, benchmark 10-year Treasury yields traded above 5.2% and 30-year yields topped 5.5% near multiyear highs.

Nvidia authorized an additional $150 billion for share buybacks, raising its total remaining repurchase authorization to $235 billion through fiscal 2028. The company also released two open-source tools called OpenShell and Nvidia Sentry, which are designed to help control rogue AI agents.