揭秘涨停 | 芯片概念多股涨停

Market Overview - On October 21, the A-share market closed with a total of 93 stocks hitting the daily limit, with 79 stocks after excluding 14 ST stocks, resulting in a limit-up rate of 80.87% [1] Top Gainers - The stock with the highest limit-up order volume was Shihua Oil Service, with 465,700 hands, followed by ShenKai Co., Zhonghua Rock Soil, and Shihua Machinery with 348,300 hands, 344,900 hands, and 325,400 hands respectively [2] - In terms of consecutive limit-up days, Pioneer Electronics and ST Zhongdi achieved three consecutive limit-ups, while ShenKai Co., Shihua Machinery, and CITIC Heavy Industries had two consecutive limit-ups [2] Significant Stocks - Pioneer Electronics achieved a limit-up with a closing price of 25.03 yuan and a limit-up order amount of 4.61 billion yuan, focusing on smart gas metering and safety monitoring [3][4] - ShenKai Co. closed at 11.21 yuan with a limit-up order amount of 3.90 billion yuan, driven by deep-sea equipment and robot concepts [3][4] - Shihua Machinery closed at 7.72 yuan with a limit-up order amount of 2.51 billion yuan, benefiting from oil and gas equipment and state-owned enterprise status [3][4] Sector Highlights Chip Sector - Multiple stocks in the chip sector, including Dawi Co., Taiji Industry, and Wentai Technology, achieved limit-ups, with Dawi Co. focusing on high-performance storage chip products [4][5][6] Real Estate Sector - Stocks such as Shangshi Development and Hefei Urban Construction saw limit-ups, with Shangshi Development reporting a signed sales amount of approximately 290 million yuan [7] Energy Equipment Sector - Stocks like Shihua Oil Service and ShenKai Co. also achieved limit-ups, with Shihua Oil Service accelerating its overseas business development [8] Investment Trends - The net buying amount for stocks on the Dragon and Tiger list included significant purchases in Shanhe Intelligent and Hefei Urban Construction, with net buying amounts of 1.88 billion yuan and 1.18 billion yuan respectively [9][10]