S&P 500 Jumps 3.5% as Inflation Triples, Sentiment Craters
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- S&P 500 rose nearly 3.5% for the week and 7.44% since March 30, buoyed by a Pakistan-brokered ceasefire that has already been violated, with bombs still falling and the Strait of Hormuz practically shut.
- March Consumer Price Index showed inflation tripling month-over-month on a record 21.2% energy price surge — the largest monthly increase since records began in 1967 — with headline inflation hitting 3.3% year-over-year, up from 2.4% in February.
- University of Michigan Consumer Sentiment Index fell to a record low of 47.6 in April 2026, with the report explicitly stating that 'many consumers blame the Iran conflict for unfavorable changes to the economy.'
- WTI crude oil was trading at $96.33/barrel on Friday, down from nearly $117/bbl earlier in the week after Iran struck a key Saudi Arabian production facility, with the price likely to retest triple digits if the ceasefire crumbles.
- Trump Administration is reportedly preparing new military action items if weekend talks collapse, while Trump posted on social media that 'The only reason they [Iranians] are alive today is to negotiate.'
- World Bank President warned the war would have a 'cascading impact' on the global economy, with disruptions extending beyond oil into fertilizers, travel, and semiconductors.
Why it matters: The higher inflation almost certainly precludes the Federal Reserve from cutting interest rates this year despite Trump's repeated pressure, removing a key support the market had been counting on. The S&P's 7.44% bounce since March 30 appears priced for a permanent resolution that Pakistan's 11th-hour truce has not delivered, with energy infrastructure damage that 'will take years to rebuild' still unfolding.
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