China A-shares plunge with 4,800 stocks down; oil majors and banks buck trend
On September 28, China's A-share market saw a broad decline, with nearly 4,800 stocks falling. The Shanghai Composite Index dropped 1.74%, the Shenzhen Component Index fell 3.37%, and the ChiNext Index lost 4.32% by midday. The communication sector was the worst hit, falling over 7%. In contrast, China's three major oil stocks (PetroChina, Sinopec, CNOOC) rose, and the banking sector showed resilience. Hong Kong's Hang Seng Index rose over 1%, led by NetEase. Keytop Technology surged over 24% after announcing its Keytop Agent AI platform.
IllustrationEditorial responsibility
- No named human review is recorded for this page.
- Reports are grouped by semantic similarity and deterministic rules. Language models may assist titles, summaries, translation and cross-source analysis; the page reads the event directly, while its address stays stable when the title changes.
- Summary covers the current reports
Cross-source coverage
Reporting timeline
China's Big Three Oil Stocks Rise as A-Share Market Falls, 4,800 Stocks Decline
On September 28, China's A-share market experienced a broad decline, with major indices falling sharply. The Shanghai Composite Index dropped 1.74%, the Shenzhen Component Index fell 3.37%, and the ChiNext Index lost 4.32% by midday. Approximately 4,800 stocks declined. The communication sector was a major drag, falling over 7%. In contrast, the 'Big Three' oil stocks (PetroChina, Sinopec, CNOOC) bucked the trend, rising notably. PetroChina rose over 2% intraday, CNOOC nearly 2%, and Sinopec up to 1.5%. The banking sector also showed relative strength, with Industrial and Commercial Bank of China rising nearly 1.5%. Hong Kong's Hang Seng Index rose over 1%, led by NetEase. Separately, Keytop Corp surged over 30% after announcing its development of an AI agent platform called Keytop Agent, which it said can autonomously plan, execute, and optimize tasks for operations like AI toll booths and AI customer service.
Read sourceChina A-Share Market Falls with 4,800 Stocks Down; Oil Majors and Banks Buck Trend
On September 28, China's A-share market experienced a broad decline, with nearly 4,800 stocks falling. The Shanghai Composite Index dropped 1.74%, the Shenzhen Component Index fell 3.37%, and the ChiNext Index lost 4.32% by midday. The communication sector was the biggest loser, falling over 7%, with stocks like Zhongji Innolight and TFC Optical Communication dropping over 9%. In contrast, the 'Three Oil Barrels' (PetroChina, Sinopec, CNOOC) rose, with PetroChina gaining over 2% intraday. The banking sector was relatively resilient, with Shanghai Pudong Development Bank, Bank of Qingdao, and Industrial and Commercial Bank of China (ICBC) posting gains. Hong Kong's Hang Seng Index rose over 1%, led by NetEase (up over 4%) and PetroChina. Keytop Technology surged 24.4% after announcing its AI agent platform, Keytop Agent, which enables autonomous task planning and execution for operations like AI toll booths and AI customer service.
Read sourceChina's Three Oil Majors Rise Against A-Share Market Slump; Hong Kong Stocks Gain
On September 28, A-share markets experienced a broad decline, with major indices falling sharply. The Shanghai Composite dropped 1.74%, the Shenzhen Component fell 3.37%, and the ChiNext and STAR Composite indices each lost 4.32%. Approximately 4,800 stocks declined. The communication sector was the worst performer, falling over 7%, with stocks like Zhongji Innolight and Tianfu Communication dropping over 9%. In contrast, the oil and petrochemical sector outperformed, led by the 'Three Oil Majors' (China National Petroleum, China National Offshore Oil, and China Petroleum & Chemical), which rose significantly against the market trend. The banking sector also showed resilience, with several banks including Shanghai Pudong Development Bank and Industrial and Commercial Bank of China posting gains. Meanwhile, Hong Kong's Hang Seng Index rose over 1%, driven by NetEase and other stocks. Keytop Agent AI, a Hong Kong-listed stock, surged over 30% after announcing increased investment in AI infrastructure and the development of its Keytop Agent AI platform.
Read sourceShow 11 older updatesHide older updates
China's Three Oil Majors Rise Against A-Share Market Downturn; Hong Kong Stocks Gain
On September 28, A-share markets experienced a broad decline, with approximately 4,800 stocks falling. The Shanghai Composite Index dropped 1.74%, the Shenzhen Component Index fell 3.37%, and the ChiNext Index lost 4.32% by midday. The communication sector was a major drag, falling over 7%. In contrast, the oil and petrochemical sector outperformed, with China's 'three oil majors'—PetroChina, CNOOC, and Sinopec—all rising significantly, bucking the market trend. The banking sector also showed relative resilience, with several banks including Industrial and Commercial Bank of China (ICBC) posting gains. Meanwhile, Hong Kong's Hang Seng Index rose over 1%, led by NetEase and followed by PetroChina, China Resources Power, and others. Keytop Agent, a Hong Kong-listed stock, surged over 30% after announcing increased investment in AI foundational technology and the development of its Keytop Agent AI platform.
Read sourceChina's Big Three Oil Giants Rise as A-Share Market Falls Sharply
On September 28, A-share markets in China experienced a broad decline, with the Shanghai Composite Index falling 1.74%, the Shenzhen Component Index dropping 3.37%, and the ChiNext Index and the Science and Technology Innovation Composite Index both falling 4.32%. Approximately 4,800 stocks declined. The communication sector was a major drag, falling over 7%. In contrast, the oil and petrochemical sector performed well, with the 'Three Barrels' (China's three major state-owned oil companies) rising notably. China Petroleum (PetroChina) rose over 2%, China National Offshore Oil Corporation (CNOOC) rose nearly 2%, and China Petroleum & Chemical Corporation (Sinopec) rose up to 1.5%. The banking sector was relatively resilient, with several banks including Industrial and Commercial Bank of China (ICBC) rising nearly 1.5%. Meanwhile, Hong Kong's Hang Seng Index rose over 1%, led by NetEase and other stocks. The report attributes the oil stocks' strength to their defensive nature amid a broad market sell-off.
Read sourceChina's 'Three Barrels of Oil' Stocks Rise Against Broader Market Decline
On September 28, A-share market major indices fell sharply, with about 4,800 stocks declining. The Shanghai Composite Index dropped 1.74%, the Shenzhen Component Index fell 3.37%, and the ChiNext Index and the Science and Technology Innovation Composite Index both fell 4.32%. The communication sector led the decline, falling over 7%. In contrast, the 'Three Barrels of Oil' (PetroChina, Sinopec, and CNOOC) rose against the trend, with PetroChina rising over 2%, CNOOC nearly 2%, and Sinopec up to 1.5%. The banking sector was relatively resilient, with several banks including Industrial and Commercial Bank of China rising. Hong Kong's Hang Seng Index rose over 1%, led by NetEase. Keytop Agent AI, a Hong Kong-listed stock, surged over 30% after announcing increased R&D investment in AI infrastructure and development of its Keytop Agent AI agent platform.
Read sourceChina's Three Oil Majors Rise as A-Share Market Sees Broad Decline
On September 28, A-share market major indices fell sharply, with about 4,800 stocks declining. The Shanghai Composite Index dropped 1.74%, the Shenzhen Component Index fell 3.37%, and the ChiNext Index lost 4.32% by midday. The communication sector led losses, falling over 7%. In contrast, the 'Three Oil Majors' (PetroChina, CNOOC, Sinopec) rose against the trend, with PetroChina gaining over 2% at one point. The banking sector showed relative resilience, with several banks including Industrial and Commercial Bank of China rising. Hong Kong's Hang Seng Index performed better, rising over 1%, led by NetEase. Kettop Technology surged over 30% after announcing its Keytop Agent AI platform development. The article attributes the oil majors' strength as a notable contrast to the broader market weakness.
Read sourceChina's Three Oil Majors Rise as A-Share Market Falls Sharply, 4800 Stocks Decline
On September 28, A-share market indices fell sharply, with approximately 4,800 stocks declining by midday. The ChiNext and STAR Composite indices dropped over 4%. The communication sector led losses, falling over 7%, with stocks like Zhongji Innolight and Tianfu Communication falling over 9%. In contrast, the oil and petrochemical sector performed well, with the 'Three Oil Majors' (China National Petroleum, China National Offshore Oil, and China Petroleum & Chemical) rising notably against the market trend. China Petroleum rose over 2%, China National Offshore Oil nearly 2%, and China Petroleum & Chemical up to 1.5%. The banking sector was relatively resilient, with Industrial and Commercial Bank of China rising nearly 1.5%. Hong Kong's Hang Seng Index rose over 1%, led by NetEase. Keytop Agent AI platform developer Keytop Technology surged over 30% after announcing increased AI R&D investment.
Read sourceChina's Big Three Oil Giants Rise as A-Share Market Falls, Nearly 4,800 Stocks Decline
On September 28, A-share markets in China experienced a broad decline, with major indices falling sharply. The Shanghai Composite Index dropped 1.74%, the Shenzhen Component Index fell 3.37%, and the ChiNext Index and the Science and Technology Innovation Composite Index both lost 4.32%. Nearly 4,800 stocks declined. The communication sector was a major drag, falling over 7%. In contrast, the oil and petrochemical sector outperformed, with the 'Three Barrels' (China's three major state-owned oil companies) rising notably. China Petroleum (PetroChina) rose over 2%, China National Offshore Oil Corporation (CNOOC) gained nearly 2%, and China Petroleum & Chemical Corporation (Sinopec) rose up to 1.5%. The banking sector also showed relative strength, with several banks including Industrial and Commercial Bank of China (ICBC) rising. Hong Kong markets performed better, with the Hang Seng Index rising over 1%, led by NetEase and other stocks. The report also noted that Keytop Technology, a Hong Kong-listed stock, surged over 30% after announcing increased investment in AI infrastructure and the development of an AI agent platform.
Read sourceChina's Three Oil Majors Rise Against A-Share Market Slump on September 28
On September 28, A-share markets experienced a broad decline, with major indices falling sharply. The Shanghai Composite Index dropped 1.74%, the Shenzhen Component Index fell 3.37%, and the ChiNext Index and the Science and Technology Innovation Composite Index both declined 4.32%. Approximately 4,800 stocks declined. The communication sector was a major drag, falling over 7%. In contrast, the petroleum and petrochemical sector performed well, led by China's 'three oil majors' (CNPC, CNOOC, and Sinopec), which rose significantly against the market trend. China National Petroleum Corporation (CNPC) rose over 2% intraday, CNOOC gained nearly 2%, and Sinopec rose up to 1.5%. The banking sector was relatively resilient, with several banks including Industrial and Commercial Bank of China (ICBC) rising. Hong Kong markets outperformed, with the Hang Seng Index rising over 1%, led by NetEase and other stocks. The report also noted that Keytop Agent AI, a Hong Kong-listed stock, surged over 30% after announcing increased investment in AI foundational technology.
Read sourceChina's 'Big Three' Oil Stocks Rise Against Market Downturn; A-Share Indexes Fall
On September 28, A-share major indexes fell sharply, with about 4,800 stocks declining. The Shanghai Composite dropped 1.74%, the Shenzhen Component fell 3.37%, and the ChiNext and STAR Composite each lost 4.32%. The communication sector led losses, falling over 7%. In contrast, the 'Big Three' oil stocks—PetroChina, CNOOC, and Sinopec—rose notably, with PetroChina gaining over 2% at one point. The banking sector was relatively resilient, with ICBC rising nearly 1.5%. Meanwhile, Hong Kong's Hang Seng Index rose over 1%, led by NetEase and PetroChina. Keytop Agent AI, a Hong Kong-listed stock, surged over 30% after announcing increased R&D investment in AI and the development of its Keytop Agent AI agent platform, which features autonomous task planning and execution.
China's Three Oil Majors Rise as A-Share Market Plunges with 4,800 Stocks Down
On September 28, A-share markets experienced a broad decline, with the Shanghai Composite Index falling 1.74%, the Shenzhen Component Index dropping 3.37%, and the ChiNext Index and the Science and Technology Innovation Composite Index both sliding 4.32% by midday. Approximately 4,800 stocks declined. The communication sector was the worst performer, falling over 7%, with stocks such as Zhongji Innolight and Tianfu Communication dropping over 9%. In contrast, the oil and petrochemical sector strengthened, with China's 'three oil majors'—PetroChina, CNOOC, and Sinopec—all rising notably, bucking the market trend. PetroChina rose over 2% intraday, CNOOC nearly 2%, and Sinopec up to 1.5%. The banking sector was relatively resilient, with several banks including Shanghai Pudong Development Bank and Industrial and Commercial Bank of China (ICBC) gaining. Hong Kong markets outperformed, with the Hang Seng Index rising over 1%, led by NetEase (up over 4%) and PetroChina. Kepu Technology surged over 30% after announcing its Keytop Agent AI agent platform, which features autonomous task planning and execution.
Read sourceChina A-shares fall with 4,800 stocks down; oil majors rise
On September 28, China's A-share market experienced a broad decline, with nearly 4,800 stocks falling. Major indices dropped sharply by midday: the Shanghai Composite Index fell 1.74%, the Shenzhen Component Index lost 3.37%, the ChiNext Index plunged 4.32%, and the Sci-Tech Innovation Composite Index also fell 4.32%. The communication sector was a major drag, declining over 7%. In contrast, the 'Three Barrels of Oil' (PetroChina, Sinopec, CNOOC) rose strongly against the market trend. Industrial and Commercial Bank of China (ICBC) also gained, with its share price rising nearly 1.5% before paring gains. Hong Kong's Hang Seng Index performed better, rising over 1%, led by NetEase which gained over 4%. Among Hong Kong Stock Connect stocks, Keytop Technology surged 24.4% after announcing increased investment in AI infrastructure and the development of its Keytop Agent AI platform, which enables autonomous task planning and execution for operations like AI toll booths and AI customer service. The report is sourced from Securities Times.
Read sourceChina A-Share Market Falls with 4,800 Stocks Down; Oil Majors and Banks Buck Trend
On September 28, China's A-share market experienced a broad decline, with nearly 4,800 stocks falling. The Shanghai Composite Index dropped 1.74%, the Shenzhen Component Index fell 3.37%, and the ChiNext Index lost 4.32% by midday. The communication sector was a major drag, falling over 7%. In contrast, China's 'three oil majors' (PetroChina, Sinopec, CNOOC) rose sharply, and the banking sector showed relative strength, with stocks like Industrial and Commercial Bank of China (ICBC) gaining. Hong Kong's Hang Seng Index rose over 1%, led by NetEase. Hong Kong-listed Keystone Technology surged 24.4% after announcing increased investment in AI foundational technology and the development of its Keytop Agent AI platform, which deploys AI agents for tasks such as toll booth management, parking lot management, cloud customer service, and finance. The company stated the platform enables autonomous, end-to-end business process execution with operational transparency for human oversight.