Shenzhen Gongjin Electn vs Suzhou TFC Optical Communication: why the prices moved differently

Weekly · monthly · quarterly news summaries, side by side in time

Shenzhen Gongjin Electn (603118.CG)

Suzhou TFC Optical Communication Co Ltd (300394.CS)

Q3 202619 Jul – 9 Oct 2026

▲3▼1

AI demand and Nvidia CPO lift TFC, but FCC ban rumors weigh

AI-driven demand boosts profit and margins First-half net profit rose 33.92% to 1.204 billion yuan, with gross margin up about 10 points to 60.87%, as AI demand for optical components stayed strong.
This shows the core financial improvement that drove the stock.
Nvidia CPO switch mass production lifts component demand Nvidia's CPO switch mass production boosted demand for optical components, and TFC already mass-produces FAU and ELS parts, positioning it to benefit from the ramp.
This highlights a key technological catalyst for future growth.
Cloud capex and export growth support sector Cloud capex growth and a 22.3% rise in China's optical module exports further supported the sector, indicating broad industry strength.
This shows the supportive industry backdrop that lifted the whole sector.
FCC ban rumors create regulatory uncertainty US FCC ban rumors on Chinese data center components briefly hit shares, creating regulatory uncertainty, though TFC said current restrictions don't affect its products and North America is only 1.28% of 2025 revenue.
This is the main negative force that pressured the stock during the period.

September 202612 Aug – 9 Oct 2026

▲4

TFC's profit jumps, CPO demand builds, incentive plan sets bold targets

First-half profit up 34% with margins widening TFC's first-half 2026 net profit rose 33.92% to 1.204 billion yuan on revenue up 15.15%, with gross margin jumping about 10 points to 60.87%. Stronger profit and cash flow support the shares because they show the core business is getting more profitable, not just bigger.
The interim results are the clearest hard evidence of improving profitability and directly support the stock.
Nvidia CPO switch mass production lifts optical demand Nvidia's CPO Ethernet switch entered full mass production, cutting lasers and power use sharply. This expands demand for optical components, and TFC already mass-produces FAU and ELS parts for CPO, so more industry adoption pulls its products into bigger volumes.
It is the main external demand catalyst driving the whole optical module group, including TFC.
Restricted stock plan sets very ambitious profit targets TFC granted 2.2769 million restricted shares to 740 staff at 119.5 yuan, with targets requiring net profit in 2029 to be 700% above 2025. Management tying pay to such steep growth signals confidence, though the 346 million yuan expense will be spread over 2026-2030.
The incentive plan reveals management's own growth expectations and aligns staff with shareholders.
Company says export restrictions do not hit its products TFC responded to rumors of overseas import/export restrictions, saying current policies do not constrain its optical devices and North America is only about 1.28% of 2025 revenue. Removing this regulatory worry supports the shares, and the company says orders and demand remain solid.
It clears a potential regulatory overhang that could otherwise weigh on the stock.

Latest12 Aug – 9 Oct 2026

▲4

TFC's profit jumps, CPO demand builds, incentive plan sets bold targets

First-half profit up 34% with margins widening TFC's first-half 2026 net profit rose 33.92% to 1.204 billion yuan on revenue up 15.15%, with gross margin jumping about 10 points to 60.87%. Stronger profit and cash flow support the shares because they show the core business is getting more profitable, not just bigger.
The interim results are the clearest hard evidence of improving profitability and directly support the stock.
Nvidia CPO switch mass production lifts optical demand Nvidia's CPO Ethernet switch entered full mass production, cutting lasers and power use sharply. This expands demand for optical components, and TFC already mass-produces FAU and ELS parts for CPO, so more industry adoption pulls its products into bigger volumes.
It is the main external demand catalyst driving the whole optical module group, including TFC.
Restricted stock plan sets very ambitious profit targets TFC granted 2.2769 million restricted shares to 740 staff at 119.5 yuan, with targets requiring net profit in 2029 to be 700% above 2025. Management tying pay to such steep growth signals confidence, though the 346 million yuan expense will be spread over 2026-2030.
The incentive plan reveals management's own growth expectations and aligns staff with shareholders.
Company says export restrictions do not hit its products TFC responded to rumors of overseas import/export restrictions, saying current policies do not constrain its optical devices and North America is only about 1.28% of 2025 revenue. Removing this regulatory worry supports the shares, and the company says orders and demand remain solid.
It clears a potential regulatory overhang that could otherwise weigh on the stock.

July 202619 Jul – 5 Aug 2026

▲3▼1

AI demand drives optical module boom, but US ban fears loom

AI and data center demand fuel profit surge TFC Optical Communication expects first-half net profit to rise 25% to 45% year-on-year, driven by global AI industry growth and data center construction. This strong demand for high-speed optical devices directly boosts the company's earnings and share price.
This is the core positive driver showing the company's strong financial performance due to AI demand.
Sector rally on CPO mass production and strong exports Nvidia's next-gen CPO switches have entered mass production, and China's optical module exports jumped 22.3% in the first half. This confirms robust global demand and positions TFC as a key beneficiary, pushing its stock higher.
This point highlights the broader industry momentum and export strength that support TFC's growth outlook.
Cloud capex growth sustains optical communication boom North American cloud providers maintained rapid capital spending in Q2 2026, with several raising full-year guidance. This ensures continued high demand for optical interconnects, supporting TFC's medium- to long-term revenue and profit growth.
This point explains the sustained demand from major cloud customers, a key driver for TFC's future orders.
US ban rumors hit optical module stocks Reports that the US FCC is drafting a ban on Chinese data center components, including optical modules, caused TFC shares to fall 3.4% intraday. Although no official document exists yet, the threat of regulation creates uncertainty and could hurt future sales.
This is a real counterweight that introduces regulatory risk and explains recent price weakness.

19 Jul – 5 Aug 2026

▲3▼1

AI demand drives optical module boom, but US ban fears loom

AI and data center demand fuel profit surge TFC Optical Communication expects first-half net profit to rise 25% to 45% year-on-year, driven by global AI industry growth and data center construction. This strong demand for high-speed optical devices directly boosts the company's earnings and share price.
This is the core positive driver showing the company's strong financial performance due to AI demand.
Sector rally on CPO mass production and strong exports Nvidia's next-gen CPO switches have entered mass production, and China's optical module exports jumped 22.3% in the first half. This confirms robust global demand and positions TFC as a key beneficiary, pushing its stock higher.
This point highlights the broader industry momentum and export strength that support TFC's growth outlook.
Cloud capex growth sustains optical communication boom North American cloud providers maintained rapid capital spending in Q2 2026, with several raising full-year guidance. This ensures continued high demand for optical interconnects, supporting TFC's medium- to long-term revenue and profit growth.
This point explains the sustained demand from major cloud customers, a key driver for TFC's future orders.
US ban rumors hit optical module stocks Reports that the US FCC is drafting a ban on Chinese data center components, including optical modules, caused TFC shares to fall 3.4% intraday. Although no official document exists yet, the threat of regulation creates uncertainty and could hurt future sales.
This is a real counterweight that introduces regulatory risk and explains recent price weakness.