电视广播板块12月18日涨0.72%，电广传媒领涨，主力资金净流入1.99亿元

Group 1 - The television broadcasting sector increased by 0.72% compared to the previous trading day, with Dianguang Media leading the gains [1] - The Shanghai Composite Index closed at 3876.37, up by 0.16%, while the Shenzhen Component Index closed at 13053.98, down by 1.29% [1] - A detailed table of individual stock performance in the television broadcasting sector is provided [1] Group 2 - The net inflow of main funds in the television broadcasting sector was 199 million yuan, while retail funds experienced a net outflow of 72.9131 million yuan [2] - The net outflow of speculative funds was 12.6 million yuan [2] - A detailed table of fund flows for individual stocks in the television broadcasting sector is provided [2]