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Today, July 21, 2026, memory-chip leaders rallied, leading stocks higher even as investors weighed geopolitical and tariff risks.

The S&P 500 reclaimed key support as Sandisk, Micron and AI stocks led a broad rally. Google, Tesla earnings loom.

The Dow Jones Industrial Average added 0.7%, and the Nasdaq composite climbed 1.3%. Micron Technology and Nvidia were the two strongest forces lifting the market as AI stocks climbed for a second straight day after tumbling the week before. The Nasdaq composite rose 329.13 points, or 1.3%, to 25,837.21.

SK Hynix surged 14% Tuesday without a single company-specific headline, and the real test comes July 29 when its earnings either confirm or shatter the bullish memory narrative Micron just set.

Investing.com -- Bank of America told clients in a note Tuesday that the latest wave of Chinese open-source AI models, including Moonshot's Kimi K3, reinforces rather than threatens its bullish thesis on memory demand, reiterating a Buy rating on Micron with a $1,550 price target.

Futures rose early Tuesday as Sandisk, Micron and AMD lead an AI rebound. GM and 3M are earnings movers.

Memory chip shortages continue to be a problem for most companies.

The first components of an ASML next-generation chipmaking tool arrived ‌at New York state's Albany NanoTech Complex on ‌Tuesday, the governor's office said. The NanoTech complex will use the tool to conduct ​research and development on future forms of chip design and manufacturing. The NanoTech facility is the only one of its kind in North America, according to NY Creates Director Dave Anderson, and ‌is similar in ⁠scope and focus to Europe's Imec, which operates in Belgium.

Micron stock and SK Hynix were rising ahead of Big Tech earnings but there is a risk that big customers will look to sidestep soaring memory costs.

S&P 500 futures rose 0.6% and Nasdaq 100 futures climbed 1.4% Tuesday as semiconductor stocks led a recovery and 87% of early S&P 500 reporters topped estimates

The rebound comes after weeks of intense selling, partly due to concerns that hyperscalers would continue investing the massive sums in AI development they had committed at the start of the year.

You would have scored a spectacular win.

U.S. stocks were slightly lower in cautious trading, as chip shares bounced back from last week’s bruising selloff and investors shrugged off a new Chinese AI model.

Semiconductor shares led markets higher as investors awaited results from more than 80 S&P 500 companies.

The Magnificent Seven will again reign supreme over S&P 500 earnings, but their dominance is fading. As second-quarter earnings reports start to flow in, analysts expect the Magnificent Seven companies to grow earnings by a combined 31.1%. The other 493 S&P 500 companies are expected to increase earnings 22.8%, FactSet Senior Earnings Analyst John Butters wrote in a report.

Big Tech earnings are on deck this week. The Opening Bid panel breaks down what to expect from Alphabet (GOOGL, GOOG) and Tesla (TSLA). Truist CIO and chief market strategist, Keith Lerner, and Yahoo Finance Senior Business Reporters Ines Ferré discuss the key themes and risks heading into earnings.

STOCKS Investors are kicking off the trading week with AI bubble anxieties seemingly in the rearview mirror, pushing chip stocks higher and powering a nearly 1% advance in the Nasdaq composite. The gains come despite Alibaba previewing its new artificial-intelligence model-the second time in a week that China has flexed its advances in AI.

Semiconductor stocks were poised to jump on Monday.

(Updates with economic data, recent oil price movement, world markets' overview and corporate stock

(Bloomberg) -- Bearish bets across US stocks are surging to a record in the face of market gains, reflecting anxiety about the staying power of a rally that has seen the S&P 500 jump 18% from late March. Most Read from BloombergUS Strikes Iran in Escalating Campaign After Troops KilledThousands of Trucks Haul Iraq’s Oil Through Syria in Sign of Hormuz LegacyUS Strikes Iran to ‘Punish’ It for Attack That Killed 2 TroopsTrump Silent So Far on Iran Plans as US Death Toll Hits 17FCC Near Rulings Aga

The unwind in artificial intelligence and momentum stocks is entering its maturing stage and should not trigger prolonged market weakness, according to JP Morgan. The bank's equity strategists, led by Mislav Matejka, noted a challenging few weeks for AI-linked groups, with Korea's market down...

By Caroline Valetkevitch NEW YORK, July 20 (Reuters) - Chipmakers are in focus on Wall Street, with their shares turning mercurial this month and investors banking on a few dozen newly valuable

Contracts to supply computing power for artificial-intelligence calculations have become such a fixture of the craze that whole industries have begun reorganizing around them. AI suppliers say these arrangements give them unprecedented visibility into their future revenue, allowing them to wow investors with promises of bumper sales and profits ahead. Memory suppliers and their customers have sought out longer-dated deals in recent months.

Chip and AI-linked stocks have whacked in recent weeks after a sharp run-up, while inflation concerns, the U.S.-Iran conflict, and stretched valuations have also weighed on sentiment.

Micron just posted one of the most explosive quarters in semiconductor history, yet the stock has cratered nearly 14% in a single week as three distinct threats converge on the memory giant. Whether this selloff is a gift or a warning depends entirely on which scenario plays out next.

(Bloomberg) -- After last week’s wipeout in chips and the broader selloff in technology stocks, pressure is building for the biggest spenders on artificial intelligence to justify their expenditures to beleaguered traders with increasingly itchy fingers hovering over their sell buttons.Most Read from BloombergUS Strikes Iran to ‘Punish’ It for Attack That Killed 2 TroopsFCC Near Rulings Against Disney Over ‘The View,’ TV LicensesThousands of Trucks Haul Iraq’s Oil Through Syria in Sign of Hormuz

A week of tech stock crashes!

Wall Street is looking to earnings season for evidence that the AI trade is tact.

The surprise release of a breakthrough artificial-intelligence model from China intensified a selloff in chip stocks on Friday, fueling concerns about competition in AI and massive corporate spending that underpins its build-out. Tech stocks led a Friday selloff that by late afternoon had broadened to envelop 10 of 11 sectors in the S&P 500 index. The latest trigger was China’s Moonshot AI, which unveiled its Kimi K3 large language model on Friday.

The tech selloff has spread beyond semiconductor stocks to many of this year’s biggest listings, even as some Wall Street analysts argue the pullback is a healthy reset rather than the end of the AI boom.