A-share afternoon review | The three major indices bottomed out and rebounded, and the PCB, ice and snow industries bucked the trend and strengthened

The Zhitong Finance App learned that on October 13, the three major A-share indices opened low and fell rapidly at the beginning of the session. The GEM index fell more than 3%, and the Science and Innovation Composite Index once fell nearly 4%. Afterwards, the two markets fluctuated and rebounded and the decline narrowed significantly. The market showed a pattern of “index bottoming up, individual stocks generally falling, and local hot spots bucked the trend”. By the midday close, the Shanghai index fell 0.27% to 3787.16 points, the Shenzhen Index fell 0.78% to 12,288.40 points, and the GEM index fell 0.95% to 2935.54 points. More than 3,500 stocks fell in the Shanghai and Shenzhen markets, and more than 1,800 stocks rose. The Shanghai, Beijing, and Shenzhen markets traded 1016.4 billion yuan in half a day, of which the Shanghai and Shenzhen markets traded 1008.2 billion yuan, a decrease of 5.2 billion yuan over the previous trading day. In terms of capital, the Financial Services Association's monitoring data shows that in early trading, the main capital flowed into sectors such as agriculture, forestry, animal husbandry and fishing, diversified finance, petroleum and petrochemical, etc., with a net outflow of over 6.5 billion yuan from the electronics sector, the electronics sector, semiconductors, etc.

Overview of the plate

On the upward side, sectors such as printed circuit boards, dyes, ice and snow industries, and retail showed active performance, while the PCB industry chain rebounded markedly in the direction of components and copper-clad boards; on the downside, the battery, solid state batteries, power equipment, wind power equipment, and medical services sectors registered the highest declines. Overall, the index has clearly rebounded from its initial low, but there are still over 3,500 individual stocks falling in the two markets. Hot topics focus on the PCB industry chain and eventful topics such as ice, snow, and retail, and the profit effects of individual stocks are limited.

Popular sections

1. The PCB concept fluctuates and rebounds

The PCB concept fluctuated and rebounded. Xunjiexing rose and stopped at 20CM, Supersonic Electronics, Aoho Electronics, and Eton Electronics, while Honchuan Smart rose more than 12%, while Oshcon and Mankun Technology had the highest gains.

Comment: According to the news, Ultrasonic Electronics released a performance forecast on the evening of October 12. Net profit attributable to shareholders of listed companies is expected to be 340 million yuan to 360 million yuan in the first three quarters of 2026, up 90.78% to 102.00% year on year. Among them, net profit for the third quarter was 227 million yuan to 247 million yuan, up 181.46% to 206.31% from the second quarter; the company said that during the reporting period, the copper clad plate industry maintained a high boom, product volume and price increases, and the production capacity utilization rate of the printed board business increased.

2. The ice and snow industry concept bucked the trend and was active

The ice and snow industry concept bucked the trend. Bingshan Hot and Cold, Dalian Shengya, and Yeti Group went up and down, Jingxue Energy 20CM rose or stopped, and Changbai Mountain rose more than 9%.

Comment: According to news, on October 12, the 2026-2027 ice and snow season promotion conference and launch ceremony of the “Crown of Ice and Snow in Longjiang” Heilongjiang Ice and Snow Tourism Development Promotion Association was held in Guangzhou. The Harbin Ice and Snow World announced at the conference that the 28th park area will expand to 1.25 million square meters, and the total ice and snow usage will reach 400,000 cubic meters, setting a new level of scale. The park will be upgraded around ice and snow landscape, amusement experiences, entertainment activities, snow and ice events, themed IP, and supporting services.

3. The disperse dye concept is active

The disperse dye concept was active. Jianxin shares rose and stopped at 20CM, Yabang shares and acetic shares, Jihua Group hit an intraday rise and fall, and rose more than 7% in the middle of the day, and Colorful Chemical followed suit.

Comment: According to the news, Shaoxing Mitutoyo Chemical Co., Ltd. issued a “Price Adjustment Letter” announcing price increases for its two core dye intermediate products starting October 10, 2026 (inclusive).

4. The retail sector boosted in the intraday market

The retail sector picked up intraday, with Dongbai Group rising for 2 consecutive days, ZTE Commercial rising and stopping, and the top 100 groups rising by more than 4%. Zhongbai Group and Hangzhou Jiebai followed suit.

Comment: According to the news, Dongbai Group announced on the evening of October 11 that Fujian Dongbaichuangzhi Investment Co., Ltd., a wholly-owned subsidiary, plans to acquire 52.6667% of Hangzhou Kuailing Optoelectronics Technology Co., Ltd. for 316 million yuan. The target company specializes in optical detector chips (PIN-PD, APD, MPD, etc.), which are used in the fields of lidar, optical communication, gas detection, etc., with an overall valuation of 600 million yuan and an assessed value-added rate of 764.35%; the Shanghai Stock Exchange issued a supervisory work letter on the same night regarding the company's asset acquisition. In addition, the Ministry of Culture and Tourism released data on October 9. There were 826 million domestic trips across the country during the seven-day National Day holiday in 2026, with a total domestic travel cost of 738,375 billion yuan, up 6.3% and 4.3% respectively on a comparable scale (daily average) compared to 2025.