The S&P 500 closed above 7,700 for the first time on Tuesday, gaining almost 2% in one of its biggest single-day advances of the year. Wall Street pointed to Iran talks, strong earnings, a broad tech rally and a technical breakout, though most of the explanations surfaced only after the rally had already happened.
The S&P 500 jumped nearly 2% to a record close above 7,700 on Tuesday. The Dow Jones Industrial Average surged more than 900 points for its best day in nearly two months. The Nasdaq Composite rose more than 2.5% over the same session.
Paul Hickey, co-founder at Bespoke Investment Group, told CNBC: "It's not just one specific news event that's causing the rally." He pointed to a string of factors behind the move rather than one single trigger.
Iran talks ease pressure on oil and yields
Treasury Secretary Scott Bessent told CNBC that the U.S. and Iran could reach a deal as soon as Tuesday or Wednesday to reopen the Strait of Hormuz, a key route for global crude flows. Oil futures tumbled on the comments, and bond yields fell too, feeding directly into the equity rally.
Earnings are beating elevated expectations
Second-quarter earnings growth for the S&P 500 is tracking at 27% year over year, excluding Alphabet and Amazon, according to Bank of America Securities — a 4% beat versus the consensus at the start of earnings season. Including those two companies, growth reaches 45% year over year.
Chip and software stocks rally together
The iShares Semiconductor ETF climbed more than 6% on Tuesday. The iShares Expanded Tech-Software Sector ETF added nearly 5%, lifting the broader Nasdaq. Even the Magnificent Seven megacap group, which had lagged for much of the year, gained almost 1% on the day.
A breakout — and a skeptical read on the narrative
On Tuesday, the S&P 500 broke above 7,620 and closed there for the first time. Analysts had flagged that resistance level for weeks as the line to watch for a breakout.
However, investinglive noted that the tidy five-reason explanation arrived only after the tape had already moved, warning that a rally built on loosely connected catalysts can prove less durable than one anchored to a single, verifiable shift in fundamentals. The S&P 500 is now up 3.3% for August.
Sources: CNBC, Investinglive
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