S&P 500 and Nasdaq reach record highs on U.S.-Iran ceasefire reports. VIX drops to four-month low. Snowflake shares rocket 35% on strong earnings performance. TheS&P 500 and Nasdaq reach record highs on U.S.-Iran ceasefire reports. VIX drops to four-month low. Snowflake shares rocket 35% on strong earnings performance. The

S&P 500 Reaches All-Time Peak Amid Reports of U.S.-Iran Ceasefire Agreement

2026/05/28 23:49
3 min read
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TLDR

  • Major U.S. stock indexes including the S&P 500 and Nasdaq reached unprecedented levels following news of a potential U.S.-Iran ceasefire agreement
  • Market volatility measured by the VIX index plummeted to its lowest point since late January, dipping under 16
  • Cloud data platform Snowflake experienced a dramatic rally of approximately 35% following exceptional quarterly results and upgraded forecasts
  • The PCE inflation gauge for April showed a yearly rate of 3.8%, though monthly gains of 0.4% came in below forecasts
  • Final authorization from President Trump for the proposed 60-day ceasefire framework remains pending

Equity markets experienced significant gains Thursday as news broke regarding a potential 60-day memorandum of understanding between United States and Iranian negotiators aimed at prolonging the current ceasefire.

The S&P 500 advanced between 0.4% and 0.5% throughout trading hours, surpassing the 7,500 threshold and touching an intraday high of 7,556.52. The tech-heavy Nasdaq Composite climbed 0.6%, with both benchmarks establishing new all-time records. Meanwhile, the Dow Jones Industrial Average remained relatively flat, advancing roughly 17 points.

E-Mini S&P 500 Jun 26 (ES=F)E-Mini S&P 500 Jun 26 (ES=F)

According to Axios, citing two U.S. government officials and a regional contact, the proposed framework would also establish parameters for continued discussions regarding Iran’s nuclear ambitions. Nevertheless, President Donald Trump has yet to provide his final endorsement of the arrangement.

Subsequently, the White House dismissed a separate account of a memorandum of understanding as “a complete fabrication,” prompting investors to maintain a degree of caution.

Market Volatility Tumbles to Four-Month Minimum

Investor anxiety subsided considerably during Thursday’s session. The CBOE Volatility Index descended beneath the critical 16 threshold, reaching an intraday minimum of 15.73. This marked its weakest level since January 23.

The VIX’s decline signaled strengthening investor confidence surrounding geopolitical developments. Market participants shifted capital toward riskier assets as apprehension regarding the U.S.-Iran confrontation diminished.

David Wagner, head of equities at Aptus Capital Advisors, noted that market participants had been anticipating some form of memorandum of understanding. He observed that discretionary equities typically rally initially in response to such developments.

Oil prices retreated from elevated levels following the ceasefire announcement. West Texas Intermediate crude traded above $89 per barrel, while Brent futures hovered around $95 per barrel. Both benchmarks had climbed earlier in the session after Iran’s Revolutionary Guard announced it had struck a U.S. military installation.

Snowflake Experiences Dramatic 35% Rally Following Results

Snowflake emerged as Thursday’s most impressive performer. The company’s stock price skyrocketed approximately 35% after the cloud data analytics provider exceeded first-quarter profit and revenue projections, subsequently providing second-quarter guidance that surpassed analyst expectations.

The firm’s announcement of a $6 billion commitment to Amazon Web Services spanning the next five years further bolstered investor enthusiasm.

Regarding inflationary pressures, the Personal Consumption Expenditures price index for April increased 0.4% on a monthly basis. The year-over-year measurement registered at 3.8%. The monthly figure came in below the 0.5% consensus estimate among economists.

While the annual rate continues to exceed the Federal Reserve’s 2% objective, the more moderate monthly increase provided market participants with optimism that inflationary pressures might be beginning to moderate.

Secretary of State Marco Rubio indicated earlier in the week that negotiations with Iran had advanced and that the administration favors a diplomatic resolution through negotiation.

The post S&P 500 Reaches All-Time Peak Amid Reports of U.S.-Iran Ceasefire Agreement appeared first on Blockonomi.

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