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Stock Market News 30 December 2025

MongoDB stock slides on “MongoBleed” security update as agencies warn of active exploitation

MongoDB stock slides on “MongoBleed” security update as agencies warn of active exploitation

MongoDB shares fell 2.9% to $423.14 Monday after the company disclosed a server vulnerability known as “MongoBleed.” U.S. and Australian cyber agencies warned the flaw is being exploited and set a federal patch deadline for Jan. 19. The vulnerability, tracked as CVE-2025-14847, affects multiple server versions. Most cloud-software peers saw smaller declines.
30 December 2025
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DoorDash stock falls as year-end dip hits growth names; Evercore reiterates bullish view

DoorDash stock falls as year-end dip hits growth names; Evercore reiterates bullish view

NEW YORK, December 29, 2025, 20:55 ET — Market closed DoorDash (DASH.O) shares fell 1.2% on Monday to close at $231.01, underperforming a broadly weaker session on Wall Street as holiday-thinned trading drained momentum from growth stocks. The move comes as investors try to square upbeat demand signals with a company that has warned it plans to spend more aggressively in 2026, a posture that can pressure near-term profits even when revenue keeps rising. With only a few sessions left in 2025, money managers are also rebalancing portfolios and harvesting gains, a dynamic that can amplify swings in stocks with
30 December 2025
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Marvell stock slips today as chips cool into year-end; MRVL traders eye Fed minutes and CES

Marvell stock slips today as chips cool into year-end; MRVL traders eye Fed minutes and CES

Marvell shares fell 0.6% to $85.76 as chip stocks traded mixed ahead of year-end. Nvidia and Broadcom slipped, while Intel rose after a filing showed Nvidia bought $5 billion in Intel shares. The Dow lost 0.51%, S&P 500 dropped 0.35%, and Nasdaq fell 0.5%. Investors are watching Fed minutes, jobless claims, and Marvell’s upcoming CES CEO appearance.
30 December 2025
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Oklo stock drops nearly 4% after co-founders shift 15 million OKLO shares into trusts

Oklo stock drops nearly 4% after co-founders shift 15 million OKLO shares into trusts

Oklo shares fell 3.7% to $74.09 Monday after SEC filings showed CEO Jacob DeWitte and COO Caroline Cochran transferred about 15.4 million shares, worth $1.1 billion, into family and annuity trusts at no cost. The stock slipped another 1% after hours. Trading volume reached 8.4 million shares. Broader markets closed lower ahead of key U.S. economic data and Fed minutes.
30 December 2025
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Reddit stock jumps as Needham flags AI-search tailwind — here’s what’s next for RDDT

Reddit stock jumps as Needham flags AI-search tailwind — here’s what’s next for RDDT

Reddit shares rose 4% to $234.65 late Monday after opening at $225 and trading as high as $235.95. CTO Christopher Slowe disclosed sales of Class A shares under a preset plan after the bell. The gains came as investors weighed Reddit’s role as a cited source in AI-generated search results. The stock remains below its September peak despite a sharp rally since its March 2024 IPO.
30 December 2025
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Merck stock slips as 2025 winds down; MRK traders turn to Feb. 3 earnings next

Merck stock slips as 2025 winds down; MRK traders turn to Feb. 3 earnings next

NEW YORK, December 29, 2025, 20:35 ET — Market closed. Merck & Co (MRK) shares eased on Monday, last trading down about 0.1% at $106.62 after ranging between $106.44 and $107.56. Trading volume was about 8.1 million shares. The small move mattered mainly for timing. With the final three sessions of 2025 ahead, investors have been rebalancing portfolios in light holiday volume, a stretch that can exaggerate moves even in large, liquid names. Merck is also a bellwether for big-cap pharmaceuticals, a group investors often treat as “defensive” — stocks that can hold up better when growth shares wobble —
30 December 2025
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JNJ stock today: J&J closes $3.05B Halda cancer deal, flags EPS hit — what’s next

JNJ stock today: J&J closes $3.05B Halda cancer deal, flags EPS hit — what’s next

Johnson & Johnson closed its $3.05 billion cash acquisition of Halda Therapeutics, a cancer drug developer, on Monday. The company said it expects about $0.20 in adjusted EPS dilution, split between the fourth quarter and 2026. JNJ shares ended down 0.02% at $207.56. Investors await the Jan. 21 earnings call for 2026 guidance.
30 December 2025
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Disney stock ends higher as late SEC filing flags exec sale heading into final 2025 sessions

Disney stock ends higher as late SEC filing flags exec sale heading into final 2025 sessions

Disney shares rose 0.55% to $114.19 Monday, bucking declines in major U.S. indexes. A late SEC filing showed Sonia L. Coleman, Disney’s chief people officer, sold 2,431 shares for about $277,000 under a pre-arranged plan after a holiday delay in EDGAR access. Trading volume was below average ahead of year-end. Investors await Disney’s January dividend and new U.S. economic data Tuesday.
30 December 2025
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IBM stock price today: shares inch up into year-end as investors eye Fed minutes and IBM earnings

IBM stock price today: shares inch up into year-end as investors eye Fed minutes and IBM earnings

IBM shares rose 0.2% to $305.71 on Monday, outperforming a broader market drop as the S&P 500 fell 0.3%. The move came amid thin year-end trading and news of former CEO Louis Gerstner’s death at 83. Investors now await Fed meeting minutes and jobless claims later this week. No major IBM-specific announcements were reported during the session.
30 December 2025
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Chevron stock today: CVX closes higher as oil jumps and $120 million Frontera deal hits tape

Chevron stock today: CVX closes higher as oil jumps and $120 million Frontera deal hits tape

Chevron shares closed up 0.7% at $150.99 as oil prices climbed more than 2% on supply concerns tied to Ukraine and Yemen. Frontera Energy announced a two-year crude prepayment deal worth up to $120 million with a Chevron unit. Kazakhstan’s oil output dropped 6% in December, led by a 10% fall at the Chevron-led Tengiz field after export disruptions. U.S. crude inventories rose by 405,000 barrels last week.
30 December 2025
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T-Mobile (TMUS) stock holds up after hours as Wall Street slips into year-end; Feb. 11 results in focus

T-Mobile (TMUS) stock holds up after hours as Wall Street slips into year-end; Feb. 11 results in focus

NEW YORK, December 29, 2025, 7:58 PM ET — After-hours T-Mobile US shares were little changed in after-hours trading on Monday, after finishing the regular session up about 1.1% at $203.15. The gain stood out on a day when Wall Street pulled back, led by declines in heavyweight technology names. The S&P 500 ended down 0.35% and the Nasdaq fell 0.50%, Reuters reported. Reuters That relative strength matters late in the year. Trading tends to thin out around the holidays, and investors often shift toward steadier sectors when volatility rises in higher-growth areas. Reuters T-Mobile traded between $200.51 and $204.13
30 December 2025
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Arista Networks stock climbs in choppy year-end trade — ANET price move and what investors watch next

Arista Networks stock climbs in choppy year-end trade — ANET price move and what investors watch next

Arista Networks shares rose 1.75% to $134.15 Monday, outperforming a broader tech selloff that saw the Nasdaq fall 0.50% and the S&P 500 drop 0.35%. Trading volume was light ahead of the New Year holiday. Investors are watching Tuesday’s U.S. housing and Chicago business-activity data for direction. Arista’s stock traded between $130.02 and $135.25 during the session.
30 December 2025
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SoFi stock today: SOFI slips in after-hours as year-end trading turns cautious

SoFi stock today: SOFI slips in after-hours as year-end trading turns cautious

SoFi Technologies shares closed down 0.9% at $26.82 Monday and were flat after hours, trading below this month’s $27.50 equity offering price. The company recently launched a fully reserved stablecoin and raised $1.5 billion in new shares. Broader U.S. markets slipped, with the S&P 500 down 0.35% and Nasdaq off 0.5% on light volume. SoFi’s next earnings are expected Jan. 26, 2026.
30 December 2025
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Carvana stock dips after hours as year-end selling pressure builds — what investors are watching next

Carvana stock dips after hours as year-end selling pressure builds — what investors are watching next

Carvana shares fell about 1.1% to $433.55 in after-hours trading Monday as U.S. stocks closed lower, with the S&P 500 down 0.35% and Nasdaq off 0.50%. Trading volume was light ahead of year-end, and Carvana moved between $429 and $440 during the session. Investors are watching for the company’s next earnings report, tentatively set for Feb. 18, 2026.
30 December 2025
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Rigetti stock today: RGTI slips as year-end profit-taking cools quantum computing shares

Rigetti stock today: RGTI slips as year-end profit-taking cools quantum computing shares

Rigetti Computing shares slipped 0.4% to $22.27 in after-hours trading Monday, with 33.6 million shares traded. The company ended the regular session down 0.5% as investors took profits in volatile quantum computing stocks. Jefferies initiated Rigetti with a Hold rating and $30 target, citing its heavy reliance on government contracts. Analysts expect the next earnings report around March 4, 2026.
30 December 2025
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Stock Market Today

Tower Semiconductor stock jumps again on Nvidia optics tie-up as earnings near

Tower Semiconductor stock jumps again on Nvidia optics tie-up as earnings near

8 February 2026
Tower Semiconductor shares rose 7.7% to $139.04 Friday after announcing a collaboration with Nvidia on AI data-center networking. The stock touched $141 intraday and gained another 1% after hours. Investors await Tower’s Feb. 11 earnings for details on its silicon photonics work. No financial terms or shipment timeline were disclosed.
Longsys Electronics stock heads into Monday after new guarantees; what 301308 investors watch next

Longsys Electronics stock heads into Monday after new guarantees; what 301308 investors watch next

8 February 2026
Longsys disclosed new guarantees for a 100 million yuan Hong Kong loan and a $9 million Brazil credit line, bringing its total approved guarantee quota to 11 billion yuan and outstanding guarantees to 5.81 billion yuan. The company said all guarantees are for consolidated subsidiaries and within approved limits. Shares closed at 288 yuan Friday, down 1.6%. China inflation and credit data are due this week.
MACOM stock price steadies near highs into Monday after earnings pop and fresh filings

MACOM stock price steadies near highs into Monday after earnings pop and fresh filings

8 February 2026
MACOM shares rose 3.5% to $235.87 Friday after the company reported fiscal Q1 revenue of $271.6 million and raised its full-year data center growth outlook to 35–40%. Fidelity’s FMR LLC disclosed a 10.7% stake, while shareholder Susan Ocampo filed to potentially sell up to 100,000 shares. Stifel raised its price target to $255. MACOM expects to repay $161 million in convertible notes in March.
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