A股AI手机概念股异动拉升，道明光学涨停

Core Viewpoint - The A-share AI mobile phone concept stocks experienced significant upward movement, with notable gains in several companies on October 21 [1] Company Summaries - Daoming Optics reached the daily limit increase [1] - Siquan New Materials rose over 10% [1] - Pengding Holdings, Furong Technology, and Green Precision also saw increases in their stock prices [1]