Wall Street closed a volatile week higher on Friday, July 10, as a record-setting chip listing and easing Middle East tensions lifted technology stocks and papered over a shaky stretch for the broader market. The S&P 500 rose 0.42% Friday to 7,575.39, finishing the week up about 1.2%. The Nasdaq Composite added 0.29% to 26,281.61 for a weekly gain near 1.7%. The Dow Jones Industrial Average climbed 149.60 points, or 0.29%, to 52,637.01 on Friday but still slipped roughly 0.5% on the week — a divergence that tells the real story of the past five sessions. The money moved into chips and artificial intelligence, and the blue-chip index that carries more old-economy names got left behind.

The week ran in three acts. It opened Monday with the Dow setting a record close above 53,000 for the first time, at 53,055.91, riding the momentum of a strong pre-holiday run and the recent addition of Alphabet to the 30-stock index. The mood flipped Tuesday and into Wednesday, when semiconductor stocks sold off hard on worries their valuations had outrun reality. Micron Technology fell 4.7% Tuesday, with KLA Corporation, Marvell Technology, Broadcom and AMD all sliding, and even a record quarterly profit from Samsung Electronics failed to steady the group. “Expectations are up, and fundamentals are struggling to meet these sky-high demands,” said Mike Bailey, director of research at FBB Capital Partners. Then Thursday and Friday brought the rebound, as bargain hunters and a blockbuster IPO pulled the chip trade back to life.

That IPO was the week’s centerpiece. On Friday, SK Hynix, the South Korean memory-chip maker and a critical Nvidia supplier, made its Nasdaq debut under the ticker SKHYV. The company priced its American depositary receipts at $149 and watched them open near $170, a gain of about 14%, after raising $26.5 billion — the largest U.S. share sale ever by a foreign company, with orders running more than seven times the shares available. For investors, the listing was a direct bet on the memory chips that feed AI data centers, and its success reset sentiment across the sector heading into the weekend.

The other hand on the wheel was geopolitics. Markets spent the week tracking the sharpest U.S.-Iran fighting since the two sides agreed to a ceasefire. Oil jumped early after the Treasury Department moved to revoke the license allowing Iranian crude sales, sending Brent up more than 5% in a single session, and a U.S.-led naval coalition raised the threat level for tankers in the Strait of Hormuz to “severe.” The pressure eased later in the week after President Donald Trump said Iran had reached out to make a deal, with Qatar and Pakistan working to restart talks and an administration official saying technical negotiations would continue even after the exchange of strikes. Crucially, laden tankers kept crossing Hormuz throughout, which steadily bled the risk premium out of oil and cleared a path for stocks.

Market movers. Big Tech supplied most of the week’s fuel. Meta Platforms was the single biggest winner, soaring nearly 15% — its best week since early 2024 — and jumping about 6% Friday. Bank of America kept its buy rating on the stock, citing an internal memo, reviewed by Reuters, that pointed to a leaner cost structure for Meta’s AI buildout; separately, the company said it aims to produce its own AI chip by September. Nvidia rose about 4% Friday. Chip-equipment names ran hot early after Morgan Stanley lifted price targets on Lam Research, Applied Materials and KLA Corporation, briefly pushing all three up around 4%. In dealmaking, Vertex Pharmaceuticals agreed to acquire Crinetics Pharmaceuticals for $85 a share, a roughly $10 billion deal that nearly doubled Crinetics stock. On the losing side, AstraZeneca dropped close to 8% after its heart-disease drug Wainua missed in a late-stage trial, Rivian Automotive fell about 10% on a 75-million-share stock offering, and Deutsche Bank analyst Omotayo Okusanya downgraded mall owner Simon Property Group to hold from buy, calling it “fully valued” at 16.3 times price to funds from operations. Amazon also lined up a $25 billion bond sale.

The rally masks a genuine debate about whether the AI trade has gone too far. The run has been staggering: Micron has surged more than 200% in 2026, while Lam Research, Marvell Technology and Intel have all more than doubled. That kind of move makes even bulls nervous. “There’s been so much euphoria around the AI boom going all the way back to the summer of 2023,” said Eric Parnell, chief market strategist at Great Valley Advisor Group. “We’re clearly in a boom phase right now, but I do have genuine concerns about some sort of bust coming in the second half of the year.” The week’s whipsaw — record highs Monday, a chip rout midweek, a sharp bounce to close — is exactly the kind of two-way action that shows up when valuations are stretched and every headline moves the tape.

Commodities and volatility. West Texas Intermediate crude settled near $71 a barrel and Brent held above $76, both well off their midweek spikes as the Iran risk faded. Gold slipped 0.65% Friday to $4,113.90 an ounce, extending its long retreat from a late-January peak above $5,500. The CBOE Volatility Index, Wall Street’s fear gauge, fell about 5% to 15.05, ending the week near the low end of its recent range and signaling that, for all the noise, investors were not bracing for a shock. In the bond market, the 10-year Treasury yield edged up to around 4.49% from 4.37% a week earlier, a quiet sign that inflation worries have not gone away.

The economic data cut against the optimism. The National Association of Realtors said existing-home sales unexpectedly fell to 4.09 million units in June, missing forecasts and underscoring how stubbornly high mortgage rates keep buyers frozen out. Weekly jobless claims held low at 215,000, but the May trade deficit widened to $77.6 billion, and recent hiring has cooled. That leaves the Federal Reserve boxed in: soft jobs data argues against another rate increase, yet pricey oil and heavy AI spending keep inflation sticky, and a few strategists warned the next move could still be a hike rather than a cut.

For everyday investors, the takeaway is the same one that has defined 2026. The market’s fate rests on a narrow band of technology giants and the chips inside them, while housing, trade and the Fed pull in the other direction. The next real test comes fast: the big banks kick off second-quarter earnings season in the days ahead, and analysts tracked by FactSet expect S&P 500 companies to post average profit growth of 23.3%. If those numbers hold, the bulls get fresh cover. If they disappoint, a market priced for perfection has a long way to fall.

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