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NASDAQ:COHR 29 December 2025 - 8 January 2026

Ciena stock tumbles 14% as AI-networking names retreat — what investors watch next

Ciena stock tumbles 14% as AI-networking names retreat — what investors watch next

Ciena shares fell 14% to $222.73 Thursday after an early spike to $260, with about 2.8 million shares traded by early afternoon. Lumentum dropped 11% and Coherent 9% as tech stocks slid ahead of Friday’s U.S. jobs report. CEO Gary Smith sold 83,552 shares on Jan. 5 at an average $229.44. Ciena will present at the Needham Growth Conference on Jan. 13.
8 January 2026
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Lumentum stock slides 8% as optics peers stumble; investors eye February earnings update

Lumentum stock slides 8% as optics peers stumble; investors eye February earnings update

Lumentum Holdings shares dropped 7.6% to $356.69 Monday afternoon, leading declines among optical networking stocks as Coherent, Ciena, and Applied Optoelectronics also fell. The selloff followed a sharp rally that brought Lumentum near its December peak, with trading volume at 4.9 million shares by 3:24 p.m. EST. Investors are watching upcoming earnings and industry events for signs of continued AI-driven demand.
5 January 2026
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Lumentum stock rises 4% as AI data‑center optics rally kicks off 2026

Lumentum stock rises 4% as AI data‑center optics rally kicks off 2026

Lumentum shares climbed 4.3% to $384.31 Friday afternoon, outperforming the broader market as optical and AI hardware stocks rallied. The stock traded between $374.87 and $391.92 during the session. Sector peers Coherent and Ciena also posted gains. Traders are watching for upcoming U.S. jobs and inflation data next week.
2 January 2026
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AAOI stock jumps 13% today as AI optics names rally and short interest stays high

AAOI stock jumps 13% today as AI optics names rally and short interest stays high

Applied Optoelectronics shares jumped 13% to $39.55 in midday trading Friday, following a previous close of $34.86. Short interest stands at 12.7 million shares, about one-fifth of the float, raising short squeeze risk. The company last forecast Q4 revenue of $125 million to $140 million and reported its first major 800G transceiver order in December. Next earnings are expected Feb. 25.
2 January 2026
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Lumentum stock rebounds today after Monday slide as year-end trading stays thin

Lumentum stock rebounds today after Monday slide as year-end trading stays thin

Lumentum shares rose 1.3% to $377.59 in midday trading Tuesday, recovering part of Monday’s 4.65% slide. Trading volume was about 800,000 shares, with the stock moving between $370 and $380.32. Optical-component peers were mixed, as Applied Optoelectronics gained and IPG Photonics slipped. Investors cited thin holiday liquidity and awaited U.S. economic data for direction.
30 December 2025
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Lumentum stock tumbles as year-end tech pullback hits AI optics names

Lumentum stock tumbles as year-end tech pullback hits AI optics names

Lumentum Holdings shares fell 4.1% to $374.87 by midday Monday, outpacing declines in tech benchmarks and optical peers. The stock swung between $390 and $364.50, retreating from last week’s 52-week high. Coherent and Ciena also dropped, but by less than Lumentum. Investors trimmed exposure to AI-linked names ahead of the New Year, with trading volumes thin and markets watching Fed minutes and jobless claims.
29 December 2025
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Stock Market Today

  • Wall Street Falls on Rising Oil Prices, Iran Concerns; Dow Drops 1.1%
    May 19, 2026, 6:07 AM EDT. Wall Street closed lower on May 18 as rising oil prices surged 3.4% to $109 a barrel and geopolitical tensions with Iran increased. The Dow Jones Industrial Average fell 1.1% to 49,526.17, led by a 4.4% drop in NVIDIA shares. The tech-heavy Nasdaq declined 1.5%, while the S&P 500 lost 1.2%. Defensive sectors like Energy rose as others, including Materials and Utilities, fell. The CBOE Volatility Index jumped 6.8%, signaling increased market fear. Industrial production surprised with a 0.7% April gain, and the NY Empire State Manufacturing Index surged to 19.6, pointing to robust manufacturing activity despite global tensions.

Latest articles

Virax Biolabs Shares Jumping Again Ahead of Nasdaq Open

Virax Biolabs Shares Jumping Again Ahead of Nasdaq Open

19 May 2026
Virax Biolabs shares surged 53.1% Monday to $0.2350 and climbed another 17.1% in early Tuesday premarket trading, hitting $0.2751. The rally followed a paid RedChip TV appearance and a May 15 ownership filing showing Armistice Capital with a 4.99% stake. No new clinical or product updates were posted. Trading volume Monday reached about 765.2 million shares.
Amesite Shares Rise Premarket After NurseMagic Signs Largest Client

Amesite Shares Rise Premarket After NurseMagic Signs Largest Client

19 May 2026
Amesite Inc. shares surged 218% to $2.50 in premarket trading after announcing its largest NurseMagic deployment with a 2,700-patient home-care client. The company disclosed $83,332 in quarterly revenue and a $678,061 net loss, with cash at $740,711 before a $2.2 million April financing. Amesite did not reveal the new contract’s value or customer name. Its latest filing cited “substantial doubt” about ongoing operations.
Alphabet Approaches $5 Trillion With Google AI Cloud Move Targeting Nvidia

Alphabet Approaches $5 Trillion With Google AI Cloud Move Targeting Nvidia

19 May 2026
Alphabet shares rose in pre-market trading Tuesday after Google and Blackstone announced a U.S. AI cloud venture, with Blackstone committing $5 billion to add 500 megawatts of data-center capacity by 2027. Alphabet’s Class A shares closed Monday at $396.94 and were quoted at $401.09 before the market opened. The move coincides with the first day of Google I/O and follows strong Q1 earnings.

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LiveRamp Rallies 27% After Publicis $2.5 Billion Cash Bid

LiveRamp Rallies 27% After Publicis $2.5 Billion Cash Bid

19 May 2026
Publicis Groupe agreed to buy LiveRamp Holdings for $38.50 a share in cash, valuing the U.S. data-collaboration firm at $2.546 billion. LiveRamp stock jumped to $37.77 on the news, while the broader market fell. LiveRamp reported fiscal Q4 revenue of $206 million, up 9% from a year earlier. Publicis said the deal will boost its adjusted earnings per share from the first year after closing.
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