S&P 500 and Nasdaq Reach Record Highs Amid Ceasefire News

The S&P 500 and Nasdaq Composite reached record closing highs on May 28, driven by reports that the United States and Iran have reached a draft agreement to extend their ceasefire for 60 days [1]. While the Dow Jones Industrial Average also finished at a record high, the broader market rally was fueled by optimism regarding the potential de-escalation of regional tensions and strong corporate earnings [1].

Key takeaways

• The S&P 500 rose 0.58% to 7,563.63, while the Nasdaq gained 0.91% to 26,917.47 [1].
• The proposed 60-day ceasefire extension remains subject to approval by President Donald Trump [2].
• Iran’s Tasnim news agency stated that the memorandum of understanding has not been finalized or confirmed [1].
• Tech shares, particularly those linked to artificial intelligence, and healthcare stocks led the market gains [1].
• US inflation reached a three-year high in April, partly due to energy prices influenced by the Iran war [1].

Market reaction to geopolitical and economic data

The market rally occurred despite recent economic headwinds, including a downward revision of first-quarter GDP to a 1.6% annualized increase [2]. Investors are currently balancing the potential for a ceasefire against persistent inflationary pressures [1]. Jamie Cox, managing partner at Harris Financial Group, noted that traders are "on a hair trigger" regarding deal news, as market participants attempt to position themselves for positive outcomes while remaining wary of how quickly inflationary forces will subside [3].

Technology and healthcare sectors provided significant momentum for the session. Snowflake shares surged 36% following the announcement of a $6 billion AI infrastructure deal with Amazon Web Services [1]. In the healthcare sector, Eli Lilly shares advanced 4% after CVS Health announced it would restore coverage for the drugmaker’s weight-loss injection, Zepbound, and add its new obesity pill, Foundayo [2]. Additionally, drone-related stocks saw gains following reports that the Trump administration is considering funding for the sector [1].

Why it matters

The recent market performance highlights a resilience in corporate earnings that has allowed investors to look past geopolitical instability in the Middle East [1]. While the S&P 500 is currently trading at 21 to 22 times forward earnings—above its 10-year average of 19.7—analysts suggest that rising earnings expectations are mitigating concerns over valuations [2]. Experts believe that ongoing geopolitical tensions could paradoxically reinforce long-term investment cases in specific sectors, such as cybersecurity, defense technology, and energy infrastructure, as these areas may see accelerated spending [1]. Moving forward, the market remains focused on the finalization of the ceasefire agreement and the trajectory of US inflation data [1].