Group 1 - The film and theater sector saw a rise of 0.72% on January 19, with Baina Qiancheng leading the gains [1] - The Shanghai Composite Index closed at 4114.0, up 0.29%, while the Shenzhen Component Index closed at 14294.05, up 0.09% [1] - Baina Qiancheng's stock price increased by 12.81% to 10.13, with a trading volume of 1.32 million shares [1] Group 2 - The film and theater sector experienced a net inflow of 186 million yuan from institutional investors, while retail investors saw a net outflow of 284 million yuan [2] - The trading data indicates that Baina Qiancheng had a net inflow of 107 million yuan from institutional investors, with a net outflow of 87.95 million yuan from retail investors [3] - Other notable stocks included China Film, which had a net inflow of 37.48 million yuan from institutional investors, and Light Media, which saw a net inflow of 28.19 million yuan [3]