Hangzhou Cable vs Sieyuan Electric: why the prices moved differently

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

Hangzhou Cable (603618.CG)

Q3 20263 Jul – 26 Aug 2026

▲3

Hangzhou Cable profit surges on AI data-centre fibre demand, plus copper foil expansion

First-half profit up 938% on fibre volume and price recovery Hangzhou Cable's first-half net profit jumped 938.67% to 393 million yuan, with revenue up 12.66% to 5.097 billion yuan. Optical fibre demand recovered and prices rose, lifting sales at its fibre unit. Stronger earnings make the shares more attractive to investors.
This is the core earnings result that confirms the profit surge and underpins the stock's rise.
AI data centres become the biggest new source of fibre demand Management says AI development has made data centres the largest new source of demand for its optical communications business, and its optical fibre lines are running at full capacity. Full capacity plus a new growth market supports future sales and profits, which helps the share price.
It explains the durable demand driver behind the earnings jump, not just a one-off number.
2.88 billion yuan private placement for high-end copper foil The company plans to raise up to 2.88 billion yuan to build high-end electronic circuit copper foil capacity, making copper foil a second strategic pillar alongside power cables and optical communications. New capacity can add future revenue, though raising money can dilute existing shareholders.
It shows the company's expansion plan that shapes its medium-term growth story.
Retail investor becomes third-largest shareholder after 260% year-to-date gain Retail investor Zhang Jianping became the third-largest shareholder with 3.52% in the second quarter. The stock is up over 260% this year after a more than sixfold rise from its low, so the shares are no longer cheap and could swing sharply on any disappointment.
It flags the valuation and ownership risk that balances the positive earnings news.

July 20263 Jul – 26 Aug 2026

▲3

Hangzhou Cable profit surges on AI data-centre fibre demand, plus copper foil expansion

First-half profit up 938% on fibre volume and price recovery Hangzhou Cable's first-half net profit jumped 938.67% to 393 million yuan, with revenue up 12.66% to 5.097 billion yuan. Optical fibre demand recovered and prices rose, lifting sales at its fibre unit. Stronger earnings make the shares more attractive to investors.
This is the core earnings result that confirms the profit surge and underpins the stock's rise.
AI data centres become the biggest new source of fibre demand Management says AI development has made data centres the largest new source of demand for its optical communications business, and its optical fibre lines are running at full capacity. Full capacity plus a new growth market supports future sales and profits, which helps the share price.
It explains the durable demand driver behind the earnings jump, not just a one-off number.
2.88 billion yuan private placement for high-end copper foil The company plans to raise up to 2.88 billion yuan to build high-end electronic circuit copper foil capacity, making copper foil a second strategic pillar alongside power cables and optical communications. New capacity can add future revenue, though raising money can dilute existing shareholders.
It shows the company's expansion plan that shapes its medium-term growth story.
Retail investor becomes third-largest shareholder after 260% year-to-date gain Retail investor Zhang Jianping became the third-largest shareholder with 3.52% in the second quarter. The stock is up over 260% this year after a more than sixfold rise from its low, so the shares are no longer cheap and could swing sharply on any disappointment.
It flags the valuation and ownership risk that balances the positive earnings news.

Latest3 Jul – 26 Aug 2026

▲3

Hangzhou Cable profit surges on AI data-centre fibre demand, plus copper foil expansion

First-half profit up 938% on fibre volume and price recovery Hangzhou Cable's first-half net profit jumped 938.67% to 393 million yuan, with revenue up 12.66% to 5.097 billion yuan. Optical fibre demand recovered and prices rose, lifting sales at its fibre unit. Stronger earnings make the shares more attractive to investors.
This is the core earnings result that confirms the profit surge and underpins the stock's rise.
AI data centres become the biggest new source of fibre demand Management says AI development has made data centres the largest new source of demand for its optical communications business, and its optical fibre lines are running at full capacity. Full capacity plus a new growth market supports future sales and profits, which helps the share price.
It explains the durable demand driver behind the earnings jump, not just a one-off number.
2.88 billion yuan private placement for high-end copper foil The company plans to raise up to 2.88 billion yuan to build high-end electronic circuit copper foil capacity, making copper foil a second strategic pillar alongside power cables and optical communications. New capacity can add future revenue, though raising money can dilute existing shareholders.
It shows the company's expansion plan that shapes its medium-term growth story.
Retail investor becomes third-largest shareholder after 260% year-to-date gain Retail investor Zhang Jianping became the third-largest shareholder with 3.52% in the second quarter. The stock is up over 260% this year after a more than sixfold rise from its low, so the shares are no longer cheap and could swing sharply on any disappointment.
It flags the valuation and ownership risk that balances the positive earnings news.

Sieyuan Electric Co Ltd (002028.CS)

Q3 202613 Jul – 27 Aug 2026

▲2▼1

Sieyuan's growth bets and earnings offset foreign-buy curb and US grid order

400m yuan supercapacitor expansion Sieyuan will inject at least 400 million yuan of its own money into its wholly-owned subsidiary to expand supercapacitor capacity. Management says these products are moving from trials to bulk orders in power grids and data centers, a new growth line beyond its core grid equipment.
New capital commitment signals a fresh growth driver for the company.
First-half profit up 13%, Q2 jumped First-half revenue rose 27% to 10.8 billion yuan and net profit rose 13.2% to 1.46 billion yuan. Second-quarter profit of 914 million yuan was 66% higher than the first quarter, showing the business sped up. No dividend was paid, keeping cash for growth.
Earnings are the core fundamental driver of the stock's value.
US order curbs foreign grid equipment Trump signed an executive order restricting US purchases and imports of foreign-made grid gear, including transformers and battery storage. Sieyuan shares fell with the power-equipment sector. Companies say direct US revenue is small and rules are not yet written, so the real hit is unclear but sentiment is hurt.
A new regulatory threat that pressured the stock and the whole sector.

August 202613 Jul – 27 Aug 2026

▲2▼1

Sieyuan's growth bets and earnings offset foreign-buy curb and US grid order

400m yuan supercapacitor expansion Sieyuan will inject at least 400 million yuan of its own money into its wholly-owned subsidiary to expand supercapacitor capacity. Management says these products are moving from trials to bulk orders in power grids and data centers, a new growth line beyond its core grid equipment.
New capital commitment signals a fresh growth driver for the company.
First-half profit up 13%, Q2 jumped First-half revenue rose 27% to 10.8 billion yuan and net profit rose 13.2% to 1.46 billion yuan. Second-quarter profit of 914 million yuan was 66% higher than the first quarter, showing the business sped up. No dividend was paid, keeping cash for growth.
Earnings are the core fundamental driver of the stock's value.
US order curbs foreign grid equipment Trump signed an executive order restricting US purchases and imports of foreign-made grid gear, including transformers and battery storage. Sieyuan shares fell with the power-equipment sector. Companies say direct US revenue is small and rules are not yet written, so the real hit is unclear but sentiment is hurt.
A new regulatory threat that pressured the stock and the whole sector.

Latest13 Jul – 27 Aug 2026

▲2▼1

Sieyuan's growth bets and earnings offset foreign-buy curb and US grid order

400m yuan supercapacitor expansion Sieyuan will inject at least 400 million yuan of its own money into its wholly-owned subsidiary to expand supercapacitor capacity. Management says these products are moving from trials to bulk orders in power grids and data centers, a new growth line beyond its core grid equipment.
New capital commitment signals a fresh growth driver for the company.
First-half profit up 13%, Q2 jumped First-half revenue rose 27% to 10.8 billion yuan and net profit rose 13.2% to 1.46 billion yuan. Second-quarter profit of 914 million yuan was 66% higher than the first quarter, showing the business sped up. No dividend was paid, keeping cash for growth.
Earnings are the core fundamental driver of the stock's value.
US order curbs foreign grid equipment Trump signed an executive order restricting US purchases and imports of foreign-made grid gear, including transformers and battery storage. Sieyuan shares fell with the power-equipment sector. Companies say direct US revenue is small and rules are not yet written, so the real hit is unclear but sentiment is hurt.
A new regulatory threat that pressured the stock and the whole sector.