Global Markets Weekly Update Summary
Week Ending September 2026
U.S. Market Overview
Major U.S. stock indexes finished lower due to escalating Middle East conflicts, which drove oil prices higher and raised inflation concerns. The Russell 2000 and S&P MidCap 400 Indexes dropped 2.41% and 1.87%, respectively, while the Nasdaq Composite declined by 0.66%.
Geopolitical Impact on Oil Prices
Geopolitical tensions, particularly attacks on Saudi energy infrastructure, led to a spike in oil prices, with Brent crude nearing USD 110 per barrel. This situation also contributed to rising U.S. Treasury yields, with the 10-year Treasury note yield reaching approximately 4.97%.
Inflation Data and Rate Hike Expectations
Producer prices rose 0.4% in August, with a year-over-year increase of 5.4%. The consumer price index (CPI) report indicated persistent inflation, with a year-over-year rate of 3.4%. The market-implied probability of a September rate hike increased to about 87% following the CPI report.
Consumer Sentiment
The University of Michigan's Index of Consumer Sentiment fell to 47.8, reflecting concerns over rising fuel prices and trade tensions.
European Market Overview
The STOXX Europe 600 Index declined by 1.66% as inflation concerns rose due to geopolitical tensions. The European Central Bank raised interest rates by 25 basis points to 2.5% amid persistent inflation risks.
Japan Market Overview
Japan's stock markets fell, with the Nikkei 225 Index down 1.55%. Expectations for a near-term Bank of Japan rate hike contributed to market pressures, while the yen strengthened against the U.S. dollar.
China Market Overview
Chinese equities declined, with the Hang Seng Index dropping 3.30%. The government announced plans to recapitalize state financial institutions, while exports rose significantly, indicating strength in the external economy.
Other Key Markets
In Saudi Arabia, stocks ended slightly lower amid oil disruptions and geopolitical risks. Brazil's markets experienced volatility due to rising oil prices and improving domestic inflation dynamics.
Market Performance Summary
| Index | Friday’s Close | Week’s Change | % Change YTD |
|---|---|---|---|
| DJIA | 52,573.29 | -840.96 | 9.38% |
| S&P 500 | 7,656.98 | -61.62 | 11.85% |
| Nasdaq Composite | 26,333.04 | -173.96 | 13.30% |
| S&P MidCap 400 | 3,714.12 | -70.87 | 12.37% |
| Russell 2000 | 2,903.94 | -71.71 | 17.00% |
Source: Reuters, Yahoo! Finance, Bloomberg. Closing data as of 4 p.m. ET.