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S&P 500 closes at record as tech heavyweights flex (besides Apple)

The Magnificent 7 did the heavy lifting, performing better than any S&P 500 sector ETF on Tuesday.

Nia Warfield, Luke Kawa

The S&P 500 rose 0.3% to post a fresh record close thanks to most of the leading tech companies that have been key to its rally in recent years.

The Magnificent 7 did more than twice as well as the benchmark US stock index today, with Alphabet up more than 2% and Meta, Nvidia, and Amazon all up at least 1%. The sore thumb that stuck out: Apple shares fell 1.5% after the tech giant debuted an extra slim iPhone Air, iPhone Pro with longer battery life, updated AirPods Pro 3 with live language translation, and refreshed Apple Watch line at its annual event. It usually falls during these announcements.

The Nasdaq 100 also rose 0.3%, while the Russell 2000 fell 0.5%.

Materials were far and away the worst-performing S&P 500 sector ETF, while communications services and healthcare posted the biggest gains.

Gains on the day were led by UnitedHealth, which popped 8.7% after the health insurance giant said it expects most of its Medicare Advantage enrollees to be on more lucrative plans next year. Declines were led by Albemarle, which dropped 11.5% after reports that Chinese EV battery maker Contemporary Amperex Technology will restart its Yichun lithium mine.

Robinhood hit an all-time high as the brokerage company continues to rise after being tapped for inclusion in the blue-chip S&P 500 on Friday.

(Robinhood Markets Inc. is the parent company of Sherwood Media, an independently operated media company subject to certain legal and regulatory restrictions.)

Nebius surged nearly 50% after the artificial intelligence infrastructure group announced a major deal to supply computing power for Microsoft’s AI operations.

CoreWeave also leapt 7.1% as the news highlighted the immense value and continued demand across the AI data center ecosystem.

Planet Labs fell 6.6%, giving back some of Monday’s pop after the satellite operator (and retail favorite) posted better-than-expected quarterly numbers.

Fox and News Corp dropped 6.7% and 1.7%, respectively, after Rupert Murdoch’s heirs agreed to a $3.3 billion settlement to resolve a long-running succession drama.

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United Airlines rallies after Q4 earnings and Q1 profit guidance top estimates

Shares of United Airlines are rising after the bell on Tuesday, following the release of the carrier’s fourth-quarter and full-year earnings report.

United posted adjusted earnings per share of $3.10 in Q4, above the $2.92 per share expected by Wall Street analysts polled by Bloomberg. Sales of $15.4 billion were roughly in line with the consensus estimate.

The airline also:

  • Forecast full-year earnings per share between $12 and $14, bracketing Wall Street’s call for $13.04. For Q1, management sees EPS between $1.00 and $1.50, the midpoint of which is above the $1.16 expected by Wall Street.

  • Booked $13.93 billion in passenger revenue on the quarter, up nearly 5% year over year.

“Strong revenue momentum has continued into 2026,” according the company’s press release. “The week ending January 4th was the highest flown revenue week in United history, and the week ending January 11th was the highest ticketing week and the highest week for business sales in United history.”

UAL’s premium ticket revenue climbed 9% compared to a 7% increase in basic economy revenue. The “K-shaped economy” has become increasingly visible in travel trends at major US airlines. Last week, Delta’s revenue from first-class and business passengers eclipsed its main cabin revenue for the first time.

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POET Technologies nears multiyear high on strong call demand after flagship product wins award

POET Technologies is surging on heavy volumes and high call demand after announcing that it won a Product Innovation Award at China’s Infostone awards.

The honor went to the optical communications company’s flagship product, the Teralight, which uses light to move data between chips.

“Unveiled less than a year ago at the 2025 OFC Conference, POET Teralight has driven commercial interest in the Company because of its highly integrated design and complete optical system-on-chip architecture that simplifies module development,” per the press release.

This award may be the latest excuse to buy the stock, which is up over 40% year to date.

Call activity is elevated, with nearly 37,000 having changed hands as of 10:55 a.m. ET, well above the 20-day average of 28,030 for a full session. Shares are approaching their multi-year high of $9.41.

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