Key Takeaways
- Equity futures declined Tuesday morning, with Dow and S&P 500 contracts losing 0.5% while Nasdaq-100 futures shed 1%
- Crude oil surged following military confrontations between the US and Iran in the Strait of Hormuz, with Brent exceeding $92 per barrel
- The benchmark 10-year Treasury yield advanced to 4.79%, heightening concerns about additional Federal Reserve tightening
- Historical patterns show September as the weakest period for equities, with the S&P 500 typically declining 1.1%
- This week features critical economic indicators including JOLTS data, ISM manufacturing metrics, and Friday’s employment report
American equity markets entered September under pressure Tuesday morning as escalating crude oil costs, advancing bond yields, and persistent Federal Reserve tightening concerns weighed on futures trading.
Futures contracts for the Dow Jones Industrial Average retreated approximately 255 points, representing a 0.5% decline. S&P 500 contracts dropped 0.5% while Nasdaq-100 futures tumbled 1%, reversing portions of the gains accumulated throughout a robust August.

The three primary benchmarks concluded August with impressive advances. The S&P 500 delivered its strongest August showing in half a decade. However, historical trends now pose a challenge as September traditionally represents the calendar’s most challenging month for equity performance.
Data reveals the S&P 500 historically declines approximately 1.1% during September. Market strategists note that participants have already factored in this seasonal challenge.
Crude Surges Following US-Iran Hostilities
Renewed military tensions between Washington and Tehran propelled crude prices upward Tuesday. The nations engaged in combat operations in the Strait of Hormuz during the weekend, unsettling energy traders.
Brent crude contracts advanced 1.8% to reach $92.07 per barrel. West Texas Intermediate gained 1.8% to trade at $87.28 per barrel.
Elevated oil prices threaten to accelerate inflation, potentially prompting the Fed to implement additional rate increases. This apprehension is manifesting in fixed-income markets.
The benchmark 10-year Treasury note yield increased 3 basis points to 4.79% during early Tuesday activity. Elevated yields increase borrowing costs and compress equity valuations.
Kathleen Brooks, research director at XTB, noted that market participants had become accustomed to the Iran situation remaining primarily an economic standoff. The resumption of military action introduces additional uncertainty for traders to evaluate.
Employment Metrics and Corporate Results Ahead
Market participants are monitoring a busy week packed with economic releases. The Job Openings and Labor Turnover Survey arrives Tuesday, providing initial insight into labor conditions before Friday’s comprehensive employment report.
Manufacturing indicators from S&P Global and the Institute for Supply Management will also be released during the week.
Regarding corporate earnings, Dell and Palo Alto Networks are scheduled to announce quarterly results. Their performance could illuminate corporate expenditure patterns on technology infrastructure and cloud platforms.
Equity futures commenced September maintaining double-digit year-to-date gains. Nevertheless, surging crude prices, elevated yields, and unstable geopolitical conditions have investors proceeding cautiously as the traditionally challenging month unfolds.





