TL;DR

The Dow Jones Industrial Average closed at a record 50,644.28 on Wednesday, May 27, as oil prices fell more than 5% following signals of progress in US-Iran peace talks. The S&P 500 also set a new record close at 7,520.36. The session's defining story was a stark split in AI and cloud earnings: Snowflake (SNOW) surged approximately 35% after posting a strong fiscal Q1 2027 beat and announcing a $6 billion infrastructure commitment to Amazon Web Services, while Zscaler (ZS) collapsed 31% in its worst single-day decline on record, following soft forward guidance and a surprise change in sales leadership. Salesforce (CRM) is reporting after tonight's close and will be the next major read on enterprise AI software demand.

What Happened

US equity markets closed at fresh all-time highs on Wednesday. The Dow gained 182.60 points, or 0.36%, to 50,644.28. The S&P 500 added 0.02% to 7,520.36. Both were new closing records. The Nasdaq finished the session slightly lower, with chip stocks pulling back modestly after a strong recent run.

The macro backdrop shifted midday when Iranian state television published what it described as a draft framework for an agreement with the United States. The draft outlined Iran committing to restore commercial shipping through the Strait of Hormuz to prewar levels within 30 days of a deal. Oil prices fell more than 5% in immediate reaction. Brent crude, which had been trading near $99 per barrel, dropped toward $94 before a partial recovery.

President Trump addressed the report at his Cabinet meeting. "The strait is going to be open to everybody. It's international waters, nobody's going to control it," he said. The White House dismissed a specific element of the draft, a reported Iran-Oman joint management structure, as "a complete fabrication." Secretary of State Rubio separately stated that the US intends to give talks "every chance to succeed." For more on today's oil and Fed developments, see our earlier piece: Fed's Cook Signals Rate Hike Readiness as Oil Crashes 5%.

Within tech, earnings dominated the tape. Snowflake reported fiscal Q1 2027 results after Tuesday's close: revenue of $1.39 billion, up 33% year over year, beating analyst estimates of $1.32 billion. Adjusted earnings per share of $0.39 also beat the $0.32 consensus. The company paired the results with an announcement that it plans to spend $6 billion on Amazon Web Services infrastructure, focusing specifically on AWS Graviton chips. Shares surged roughly 35% on the session (source: CNBC, TheStreet).

Zscaler produced a contrasting result. The cybersecurity firm beat its own Q3 sales estimates but issued Q4 revenue guidance that disappointed and disclosed an unexpected change in sales leadership. Shares fell 31%, the worst single-session decline in the company's public market history (source: CNBC, Benzinga). AppLovin (APP) posted a Q1 2026 beat and gained more than 10%.

Why Markets Moved

Three forces converged in Wednesday's session. First, the Iran draft deal signal reduced one of the most persistent inflation inputs in the current cycle. Brent at $94 is still elevated historically, but it represents roughly a $20-per-barrel decline from early 2026 peaks driven by the Hormuz closure. Energy cost relief has the fastest transmission to cyclical earnings estimates, and markets priced that in quickly.

Second, Snowflake's $6 billion AWS commitment reinforced the AI infrastructure spending narrative. Cloud and AI platform companies that are visibly spending on compute are signaling confidence in forward demand. The combination of a beat and a major infrastructure announcement produced an outsized reaction.

Third, Zscaler's session illustrated the current rules of engagement for software earnings: forward guidance misses in high-valuation names are punished with multiple compression. Investors are treating AI tailwinds as selective, not universal, and are quick to reprice any company that shows execution gaps.

The Schwab Center for Financial Research noted that the S&P 500 Equal Weight index also reached an all-time high alongside the Dow, describing it as a "healthy broadening of the rally." Broad-based gains are technically more durable than advances driven by a handful of mega-cap names.

Implications for Traders

Equities: Record closes in both the Dow and S&P 500 confirm the structural bull trend. The near-term test is whether the Nasdaq can confirm with its own record close. Salesforce reporting after tonight's close is the next high-conviction read on enterprise software demand. A beat-and-raise would likely support the AI software trade broadly; another guidance miss would add pressure to similarly-valued cloud names.

Energy and cyclicals: Oil's 5% intraday decline directly benefits airlines, logistics companies, and consumer discretionary stocks. If a formalized Hormuz agreement follows, Brent could test the $85-$88 range, a scenario with meaningful implications for energy sector earnings. Energy stocks (XLE, XOM, CVX) face headwinds in that environment.

AI and cloud earnings divergence: The Snowflake vs. Zscaler split is a pattern worth tracking into the rest of earnings season. Companies clearly in the path of hyperscaler AI capex are being priced differently from those that need to convert the AI narrative into proven sales growth. That divide is likely to persist through mid-2026.

Crypto: Bitcoin traded near $75,700 and showed no material directional catalyst on Wednesday. Stablecoin dominance (USDT, USDC) has been rising, a signal that crypto participants are reducing risk exposure within the digital asset segment even as equity markets hit records.

Potential Positives vs Negatives

Positives:

  • Record closes in Dow and S&P 500 with broad participation (equal-weight also at all-time high)
  • Oil's 5% decline lowers energy inflation pressure and reduces input costs across cyclical sectors
  • Snowflake's $6B AWS deal signals durable enterprise AI infrastructure spending entering a new phase
  • A formalized Hormuz deal, if reached, would reverse what the IEA described as the largest supply disruption in global oil market history
  • AppLovin's Q1 beat adds further evidence that AI-driven advertising technology is capturing real revenue growth

Negatives:

  • Trump rejected the Iran-Oman management structure; no signed deal is in place
  • Fed Governor Cook signaled readiness to raise rates if inflation lingers, keeping rate hike risk live for H2 2026
  • Zscaler's guidance miss and leadership change raise execution risk flags for other high-multiple cloud software names
  • Nasdaq lagged on Wednesday and needs its own record close to confirm a complete market breakout
  • Salesforce reports tonight and a guidance miss would extend software sector pressure

What Could Happen From Here

Base case (moderate probability): US-Iran talks progress but a formal signed deal takes 2-4 weeks. Brent drifts in the $90-$95 range during negotiations. Equities consolidate near record levels. Salesforce's result sets the tone for AI software into June. The Nasdaq catches up to new records within 1-2 weeks absent new macro shocks.

Confirm: joint US-Iran statement on Hormuz terms, Salesforce beat, Brent holding below $95. Invalidate: diplomatic breakdown, renewed IRGC escalation, Salesforce guidance miss.

Upside scenario (lower probability): A formal Hormuz deal is announced within days. Brent trades toward $80-$85. Rate hike expectations are revised lower as energy-driven inflation cools. Nasdaq breaks to its own record. A broad risk-on rotation accelerates, with energy proceeds flowing into tech and consumer discretionary.

Confirm: signed ceasefire framework published by the State Department, Brent closing below $88. Invalidate: talks stall again, oil spikes above $100.

Downside scenario (lower probability): Iran talks collapse, possibly on the Hormuz management terms. Oil rebounds above $100. Fed rate hike language spreads beyond Cook to broader FOMC consensus. S&P and Dow pull back from record highs. Energy and defensives outperform; high-multiple growth underperforms.

Confirm: breakdown in US-Iran negotiations, IRGC escalation statement, oil reclaiming $100. Invalidate: renewed ceasefire signal, PCE data showing faster deceleration in core inflation.

What to Watch Next

  • Tonight: Salesforce (CRM) earnings after close, the most direct read on enterprise AI software demand this week
  • Iran/Hormuz: Any formal joint US-Iran statement on the Strait framework via Reuters or AP
  • Brent crude: Whether it holds below $95 or snaps back on any diplomatic setback
  • Nasdaq: Whether it closes above its May 25 record to confirm the full broad-market breakout
  • Fed speakers: Any follow-up comments after Cook's rate hike signal

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FAQ

Why did Snowflake stock surge 35% today?
Snowflake reported fiscal Q1 2027 revenue of $1.39 billion, up 33% year over year and above analyst estimates of $1.32 billion. The company also announced plans to commit $6 billion to Amazon Web Services infrastructure, specifically using AWS Graviton chips, reinforcing its AI platform strategy.

What caused Zscaler's worst day ever?
Zscaler beat its Q3 revenue estimates but issued Q4 guidance below expectations and disclosed an unexpected change in sales leadership. In the current high-valuation software environment, a forward guidance miss combined with a management signal tends to produce sharp multiple compression.

Sources

Header image source: pexels by Rene Terp. License: PEXELS.