A股存储芯片概念涨幅居前，精智达涨超7%，科翔股份、深科技、古鳌科技、利尔达等个股跟涨；消息面上，国产DRAM内存芯片大厂长鑫存储启动上市辅导。

Group 1 - The A-share storage chip sector has seen significant gains, with companies like Jingzhida rising over 7% [1] - Other companies such as Kexiang Co., Shentek, Guoao Technology, and Lierda also experienced upward movement in their stock prices [1] - Changxin Storage, a major domestic DRAM memory chip manufacturer, has initiated the process for its IPO guidance [1]