文化传媒、影视院线板块持续拉升，电声股份20cm涨停

Group 1 - The cultural media and film industry sectors are experiencing a continuous rise, indicating positive market sentiment [1] - Electric Sound Co. has reached a 20% limit up, reflecting strong investor interest [1] - Other companies such as Tiandi Online and Inertia Media have also previously hit their limit up, showcasing a broader trend in the sector [1] Group 2 - Guangdong Media, Easy Point Tianxia, and Wireless Media are following the upward trend, suggesting a collective movement within the industry [1]