电视广播板块12月17日涨0.21%，新媒股份领涨，主力资金净流出5782.94万元

Group 1 - The television broadcasting sector increased by 0.21% compared to the previous trading day, with Xinmei Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3870.28, up by 1.19%, while the Shenzhen Component Index closed at 13224.51, up by 2.4% [1] - A detailed table of individual stock performance within the television broadcasting sector is provided [1] Group 2 - In terms of capital flow, the television broadcasting sector experienced a net outflow of 57.83 million yuan from main funds, and a net outflow of 17.93 million yuan from speculative funds, while retail investors contributed a net inflow of 75.76 million yuan [2] - A detailed table of capital flow for individual stocks in the television broadcasting sector is also included [2]