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OTC:QUBT.O News 29 December 2025

Rigetti stock slides as quantum-computing trade cools into year-end

Rigetti stock slides as quantum-computing trade cools into year-end

NEW YORK, December 29, 2025, 11:49 ET — Regular session Rigetti Computing’s shares fell about 3% on Monday, extending a late-December pullback in quantum-computing stocks as traders booked gains and waited for fresh catalysts. The moves matter now because the quantum group has become a momentum trade into year-end, where lighter holiday liquidity can magnify swings in high-volatility names. Investors Business Daily said the sector’s recent slide followed a brief pop earlier this month that arrived “without major news,” and was later met by profit-taking and valuation jitters. Investors.com Rigetti has drawn attention alongside peers such as IonQ and D-Wave,
29 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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