A股烟草板块震荡走弱，金时科技跌超9%，顺灏股份跌超7%，金时科技、京华激光、润都股份、恒丰纸业、埃斯顿、集友股份等跟跌。

Core Viewpoint - The A-share tobacco sector is experiencing a downturn, with significant declines in stock prices for several companies, indicating a negative trend in the industry [1] Company Performance - Jinshi Technology has seen a drop of over 9% in its stock price [1] - Shunhao Co., Ltd. has experienced a decline of over 7% [1] - Other companies such as Jinghua Laser, Rundu Co., Hengfeng Paper, Aisidun, and Jiyou Co. have also followed the downward trend [1]