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SHE:300394.SZ 18 January 2026 - 8 February 2026

Suzhou TFC Optical (300394.SZ) stock: 3 signals to watch before China’s short, pre-holiday week

Suzhou TFC Optical (300394.SZ) stock: 3 signals to watch before China’s short, pre-holiday week

Suzhou TFC Optical closed up 0.4% at 252.97 yuan Friday after heavy trading and sharp swings, ranking as the No. 2 most-traded Shenzhen stock via Stock Connect. Margin financing and securities lending fell, with net margin selling of 419 million yuan. Shanghai and Shenzhen markets will close Feb. 16–23 for the Spring Festival. The company expects 2025 net profit to rise 40–60% year-on-year.
8 February 2026
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Suzhou TFC Optical Communication stock price: 300394.SZ watched after 11% jump as silicon photonics trade heats up

Suzhou TFC Optical Communication stock price: 300394.SZ watched after 11% jump as silicon photonics trade heats up

Suzhou TFC Optical Communication’s Class A shares jumped 10.9% to 248.43 yuan in premarket Shanghai trading. The move follows a week where Suzhou TFC and Yangtze Optical Fibre and Cable each surged over 30%, amid rising fibre prices and focus on silicon photonics. The company forecasts 2025 net profit of 1.88–2.15 billion yuan, up as much as 60%, citing AI demand and data-centre growth.
2 February 2026
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Suzhou TFC Optical (300394.SZ) stock slides 5% into weekend as traders eye leverage, AI optics demand

Suzhou TFC Optical (300394.SZ) stock slides 5% into weekend as traders eye leverage, AI optics demand

Suzhou TFC Optical Communication Class A shares fell 5.4% to 189.16 yuan in Shanghai on Friday, bucking gains in the ChiNext Index. Margin financing in the stock remained elevated after a surge earlier in the week. Analysts cited tight supply of upstream optical chips and currency swings as immediate risks. The company recently forecast 2025 net profit up 40–60% year-on-year, but flagged foreign-exchange losses.
25 January 2026
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Suzhou TFC Optical Communication (300394.SZ) stock in focus as China tightens margin rules and broker note flags “AI optics” shift

Suzhou TFC Optical Communication (300394.SZ) stock in focus as China tightens margin rules and broker note flags “AI optics” shift

Suzhou TFC Optical Communication shares closed up 2.2% at 198 yuan ahead of Monday’s open, following a broker note highlighting demand for optical components in AI data centers. New rules raising minimum margin requirements for fresh financing contracts take effect Jan. 19, increasing cash needed for leveraged trades. Two TFC executives completed a share sale of 80,000 shares by Jan. 12. Traders are watching if TFC can hold gains under tighter margin rules.
19 January 2026
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Suzhou TFC Optical Communication (300394.SZ) stock: CPO buzz lifts shares, traders eye Monday follow-through

Suzhou TFC Optical Communication (300394.SZ) stock: CPO buzz lifts shares, traders eye Monday follow-through

Suzhou TFC Optical Communication shares closed up 2.23% at 198.00 yuan Friday, outperforming the ChiNext Index, which slipped 0.2%. The gain followed a surge in China’s co-packaged optics sector after J.P. Morgan projected Google TPU chip shipments to reach 3.7 million units by 2026. Mainland markets are closed for the weekend. TFC’s next earnings report is due April 23.
18 January 2026
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Stock Market Today

  • 8x8 Beats Q1 Sales Estimates, Shares Surge 15%
    May 19, 2026, 5:24 PM EDT. Cloud communications firm 8x8 (NASDAQ:EGHT) reported Q1 CY2026 revenue of $185.2 million, 4.6% higher year-on-year and surpassing analysts' $181.1 million estimate. Adjusted earnings per share stood at $0.11, beating the consensus by 41.9%. The company forecasted Q2 revenue of $182.5 million, aligning with market expectations. Operating margin expanded to 1.8% from 0.2% last year, while free cash flow margin declined to 6.1%. CEO Samuel Wilson highlighted four consecutive quarters of revenue growth and the first GAAP profit since 2015. Despite short-term strength, 8x8's long-term revenue growth remains modest, with analysts projecting flat sales over the next year. Market cap reached $333 million following a 15% stock rise.

Latest articles

SMCI Stock Alert: Super Micro Slips as Sales Shake-Up Tests AI Server Rally

SMCI Stock Alert: Super Micro Slips as Sales Shake-Up Tests AI Server Rally

19 May 2026
Super Micro Computer shares fell 0.9% to $30.56 Tuesday after a filing showed longtime sales chief Don Clegg retired, effective May 15. The company named Matthew Thauberger as chief revenue officer last week. Super Micro reported third-quarter net sales of $10.2 billion, up from $4.6 billion a year earlier, but missed Wall Street revenue estimates.
Keysight Shares Surge as Orders Hit Record High

Keysight Shares Surge as Orders Hit Record High

19 May 2026
Keysight Technologies shares climbed nearly 4% in after-hours trading Tuesday after reporting fiscal Q2 revenue of $1.72 billion and adjusted earnings of $2.87 per share, beating analyst estimates. Orders rose to $2.05 billion from $1.32 billion a year earlier. The stock closed at $344.11, then traded at $357.80 after the bell. S&P 500 and Nasdaq both fell during the session.
AMD Stock Just Slipped Before Nvidia’s Big Test — Here’s What Changed

AMD Stock Just Slipped Before Nvidia’s Big Test — Here’s What Changed

19 May 2026
AMD shares fell 1.6% to $414.05 Tuesday after a volatile session, as investors trimmed chip stock holdings ahead of Nvidia’s earnings and rising Treasury yields pressured tech names. Citi raised its AMD price target to $460 but maintained a Neutral rating. Nvidia, down 0.7%, will report results Wednesday, with options implying a $355 billion market value swing. Intel rose 2.4%.
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