Summary · why it matters
As of the close on July 20, the memory chip concept sector fell 7.42% overall, ranking among the top decliners in the concept sector list. Within the sector, Defu Technology hit the 20% daily limit down, while Wanrun Technology, Taiji Industry, and Dagang Shares also fell by the daily limit. Nanya New Materials, Torrence, and Naike Equipment led the declines. Only 17 stocks rose, with Youyan Silicon, Lianxun Instruments, and Huahong Grace gaining 8.72%, 7.54%, and 7.28% respectively. In terms of capital flows, the sector saw a net outflow of main funds of 14.214 billion yuan for the day, with 140 stocks experiencing net outflows and 37 recording net outflows exceeding 100 million yuan. Changdian Technology topped the list with a net outflow of 2.161 billion yuan, followed by Demingli, GigaDevice, and Biwin Storage with net outflows of 1.301 billion yuan, 1.208 billion yuan, and 865 million yuan respectively.