Stocks Climb as Iran Peace Hopes Lift Risk Appetite

Stocks started the holiday-shortened week on firmer footing, with the S&P 500 reaching a record high as investors leaned into hopes that US-Iran peace talks could prevent a broader energy shock. Tech led the advance, especially semiconductors, while Treasuries also rallied as inflation fears eased and traders reduced expectations for near-term Fed hikes. Oil remained volatile, with Brent near $100 and WTI lower, reflecting mixed signals between diplomatic progress and ongoing security risks in the Strait of Hormuz.

Key Headlines & Market Movers:

US-Iran Diplomacy Drives the Macro Narrative: Markets focused on signs that Washington and Tehran may be moving toward a ceasefire extension and a reopening of the Strait of Hormuz, despite overnight strikes and lingering uncertainty around shipping security. The prospect of reduced geopolitical risk helped equities and bonds rise together, as investors looked past immediate conflict headlines. Still, officials cautioned that any agreement could take several days, leaving room for renewed volatility if negotiations stall.

• Chip Stocks Lead Equity Gains: Semiconductor shares powered the broader market higher, with Micron surging after UBS raised its price target to a Street-high level and the company topped $1 trillion in market value. Qualcomm also drew attention after reports of a deal to supply ByteDance with AI data-center chips, reinforcing investor appetite for AI infrastructure exposure. The Nasdaq outperformed as the AI theme continued to offset pockets of weakness elsewhere, including autos and parts retailers after AutoZone’s disappointing sales results.

Rates Fall as Confidence Data Softens: The 10-year Treasury yield dropped below 4.50% as traders took some inflation risk out of the market, helped by hopes that a regional de-escalation could limit further pressure on energy prices. Consumer confidence slipped in May, though not as much as feared, suggesting households remain cautious but not yet deeply shaken by price pressures. That combination supported a favorable near-term backdrop for risk assets, with softer yields helping growth stocks even as the Fed path remains sensitive to inflation data.

S&P 500 Sector Performance

Looking Ahead

The market’s next test is whether diplomatic progress in the Middle East becomes tangible enough to stabilize energy markets and keep inflation expectations contained. Investors will also be watching whether AI-led earnings momentum can continue to justify crowded bullish positioning, especially after another record-setting move in the S&P 500 and Nasdaq. With oil, rates, and geopolitical headlines still driving sentiment, the rally can extend if growth stays solid and inflation risks fade, but disappointment on peace talks or a renewed crude spike would likely challenge the current optimism.