Zheng Quan Shi Bao Wang·2025-04-30 10:10Market Overview - The Shanghai Composite Index fell by 0.23% on April 30, with 21 out of the 28 sectors rising, led by the computer and automotive sectors, which increased by 2.33% and 1.59% respectively [2] - The banking and steel sectors experienced the largest declines, with decreases of 2.09% and 1.35% respectively [2] Capital Flow Analysis - The main capital outflow from the two markets totaled 1.431 billion yuan, with 13 sectors seeing net inflows [2] - The computer sector had the highest net inflow of 2.428 billion yuan, while the automotive sector followed with a net inflow of 2.231 billion yuan [2] Construction Materials Sector - The construction materials sector declined by 0.82%, with a net capital outflow of 33.1015 million yuan [3] - Among the 71 stocks in this sector, 26 stocks rose, including 2 that hit the daily limit, while 38 stocks fell [3] - The top three stocks with the highest net inflow in the construction materials sector were Jiuding New Materials (7.377 million yuan), ST Nachuan (3.575 million yuan), and Sichuan Jinding (2.219 million yuan) [3][5] Notable Stocks in Construction Materials - The stocks with the largest net outflows included Tibet Tianlu (-7.277 million yuan), Beixin Building Materials (-3.740 million yuan), and Jianfeng Group (-2.435 million yuan) [3][4] - Other notable stocks with significant capital outflows included Conch Cement (-2.317 million yuan) and Honghe Technology (-2.014 million yuan) [4]