US Stock Market Summary – May 5, 2026

On May 5 (local time), New York equities surged to fresh all-time highs across the major indices, powered by an AI-semiconductor rally. The S&P 500 added 0.81% to close at 7,259.22 and the Nasdaq Composite rose 1.03% to 25,326.13, while the Dow Jones gained 0.73% to finish at 49,298.25. Easing Strait of Hormuz tensions pulled oil lower ($USO -2.33%), temporarily easing inflation pressures, as Intel, Micron and Qualcomm notched double-digit gains to lead the semiconductor sector. That said, with the Fear & Greed Index climbing to 67 (Greed territory), the S&P 500's RSI at 71 and the Nasdaq's RSI at 76, short-term overbought signals have lit up — a caveat worth flagging.

The standout sector was unequivocally tech ($XLK +2.21%, RSI 77). AI-infrastructure demand, Micron's HBM sell-out and growing expectations ahead of AMD's earnings release combined to send the $SOXX Semiconductor ETF up 4.47%. Industrials ($XLI +0.84%) and Consumer Staples ($XLP +0.62%) also advanced, while Communication Services ($XLC -0.40%) was weighed down by weakness in $NFLX. In fixed income, long-dated Treasuries led the bid, lifting $TLT by 0.55% as the oil price decline revived expectations that the year-end inflation path would ease further. Gold ($GLD +0.86%) held firm, but natural gas ($UNG -2.83%) and crude retreated on relief over a Middle East de-escalation.

The day's protagonists were memory and foundry names. Intel ($INTC) rocketed 12.95% to top the S&P 500 in percentage terms, while Micron ($MU) rallied 11.10%, taking its market cap past $700 billion for the first time (CNBC). Qualcomm ($QCOM) jumped 10.80%, SanDisk ($SNDK) climbed 11.96% and Lam Research ($LRCX) added 6.66%, with ASML ($ASML) (+4.09%) and AMD ($AMD) (+4.02%) also extending their gains. AMD's quarterly results released just after the bell topped consensus expectations, triggering the after-hours rally (MarketWatch). On the downside, Palantir ($PLTR) plunged 6.93%, with Netflix ($NFLX) (-3.44%), Amphenol ($APH) (-3.08%) and HSBC ($HSBC) (-3.03%) also in the red. Separately, the WSJ reported that the Pentagon assessed Iran's recent actions as "below the threshold for resuming full-scale war," and Chevron's CEO warned that a sustained closure of the Strait of Hormuz would inevitably slow the global economy (Fox Business).

> Key events for the next trading day will appear here automatically.

> "The Rubin product cycle is the single most important variable in semis this year. AI-infrastructure demand remains robust, and we keep Nvidia, Broadcom and Astera Labs as our top 2026 picks."

> — Joseph Moore, Morgan Stanley Semiconductor Analyst

> "The top 20 semiconductor names now account for roughly 21% of total market cap, almost matching the peak of the dot-com bubble. Upside potential remains, but a riskier setup is building quickly and calls for a cautious stance."

> — Garrett Soloway, Chief Market Strategist at Verified Investing

Today was a polarized session: overbought readings in semiconductors and communication services flashed alongside oversold signals in healthcare and financials. Near-term overbought names face profit-taking pressure, while quality stocks trading with an RSI below 30 are quietly accumulating rebound potential. View the Technical Signals Report