影视股集体走强，横店影视涨停，幸福蓝海涨超7%

Group 1 - The A-share film industry stocks experienced a collective surge, with Hengdian Film reaching the daily limit, and other companies like Happiness Blue Sea, Light Media, Bona Film, and others also showing significant gains [1] - Seven films have been scheduled for release during the Spring Festival, with six of them set to premiere on the first day of the new year [1] Group 2 - Hengdian Film saw a price increase of 10.01%, with a total market capitalization of 20.1 billion and a year-to-date increase of 90.95% [2] - Happiness Blue Sea increased by 7.87%, with a market cap of 8.943 billion and a year-to-date increase of 15.44% [2] - Light Media rose by 6.43%, with a market cap of 59.7 billion and a year-to-date increase of 24.24% [2] - Bona Film increased by 4.34%, with a market cap of 13.6 billion and a year-to-date increase of 29.74% [2] - Other companies like Jinyi Film, Huazhi Digital Media, and Huayi Brothers also reported gains of over 3% [1][2]