HK Stock Market Intraday: Hang Seng Index Decline Widens, Tech Sector Weakens, CIG Technology Surges 34% Intraday

Market Overview

▪ Three major HK stock indices faced downward pressure and adjustment during intraday trading, with the overall market experiencing high-level volatility;

▪ The Hang Seng Index traded at 26,078.58 intraday, down 1.2%, retreating from yesterday's recent high;

▪ The Hang Seng Tech Index traded at 5,016.52 intraday, down 1.48%, also pulling back from yesterday's high without sustaining previous strength;

▪ The HSI China Enterprises Index stood at 8,809.06, down 1.08%, reflecting increasingly cautious market sentiment.

Sector Performance

▪ Optical modules, optical communications, and computing power sub-sectors saw collective fluctuations, with CIG Technology showing the most prominent performance, surging 34.21% intraday. Short-term capital inflows continued, rapidly raising industry attention.

▪ Chip and semiconductor sectors were affected by overseas market volatility, with most mainstream chip stocks facing downward pressure. Data synchronization reflects rising expectations for AI decoupling from NVIDIA, altering the competitive landscape within the industry. Related leading stocks performed poorly intraday, while certain thematic sectors exhibited catch-up gains and rotation characteristics among small-cap stocks.

Macro Background

▪ As of now, major macroeconomic indicators such as annual import rates show no significant changes. Economic recovery progress and shifts in external liquidity remain key focus areas for investors.

▪ Capital preference has structurally improved across sectors. Market focus shifts rapidly around industry leaders and high-growth themes. Investment confidence is primarily driven by the global technology industry landscape, new rounds of AI capital expenditure, and mid-level policy support.

Hot Individual Stocks

▪ CIG Technology (6166.HK) surged 34.76% intraday, reaching a latest transaction price of 122.70 HKD with trading volume of 2.427 billion HKD. On April 17, 2026, driven by continuous capital inflows, CIG Technology led the tech sector as optical modules, optical communications, and computing power companies collectively moved. Industry sector market focus continued to rise, with strong short-to-medium-term expectations for high-end optical communication and AI-related companies becoming the brightest spot of the session.

▪ Zhongbo Data (471.HK) rose 38.81% intraday with trading volume of 450 million HKD. With no recent news, the stock attracted short-term capital chasing and showed active intraday movement.

▪ Asia Netcom Technology (679.HK) surged 26.07% intraday with trading volume of 950 million HKD, seeing active capital inflows. Benefiting from rapid short-term capital flows and sector rotation, tech and small-cap stocks generally received attention, with investors' risk appetite increasing and pushing individual stocks higher.

▪ Different Group (6090.HK) rose 13.85% intraday with trading volume of 950 million HKD. Without significant news drivers, recent capital flow trends have been positive.

▪ May Day Vision (6651.HK) rose 12.42% intraday with trading volume of 1.113 billion HKD. With no obvious news, short-term attention increased and capital competition intensified.

Top 10 Trading Volume Stocks

▪ Alibaba-W (9988.HK): Latest price 136.20 HKD, up 0.29%, trading volume 8.345 billion HKD

▪ Tencent Holdings (700.HK): Latest price 509.00 HKD, down 1.55%, trading volume 4.952 billion HKD

▪ Yangtze Optical Fibre and Cable (6869.HK): Latest price 206.20 HKD, down 5.41%, trading volume 3.440 billion HKD

▪ Meituan-W (3690.HK): Latest price 85.85 HKD, down 3.27%, trading volume 3.051 billion HKD

▪ Ping An Insurance (2318.HK): Latest price 60.35 HKD, down 3.67%, trading volume 2.863 billion HKD

▪ Xiaomi Group-W (1810.HK): Latest price 31.80 HKD, down 0.81%, trading volume 2.805 billion HKD

▪ Pop Mart (9992.HK): Latest price 159.30 HKD, down 3.34%, trading volume 2.512 billion HKD

▪ CIG Technology (6166.HK): Latest price 122.70 HKD, up 34.76%, trading volume 2.427 billion HKD

▪ CATL (3750.HK): Latest price 693.00 HKD, down 3.01%, trading volume 2.348 billion HKD

▪ SMIC (981.HK): Latest price 58.95 HKD, down 1.67%, trading volume 2.190 billion HKD