A股三大股指盘中翻绿，创业板指此前一度涨超1%，影视传媒、军工、锂电领跌！近4000股下跌

Core Points - A-shares experienced a decline with all three major indices turning negative during the trading session, despite the ChiNext Index initially rising over 1% [1] - Nearly 4,000 stocks in the Shanghai, Shenzhen, and Beijing markets saw declines [1] Index Performance - Shanghai Composite Index: 3891.99, down 5.72 points, a decrease of 0.15% [2] - ChiNext Index: 3067.06, down 4.09 points, a decrease of 0.13% [2] - Shenzhen Component Index: 13037.51, down 19.19 points, a decrease of 0.15% [2] - STAR Market 50 Index: 1315.96, down 4.20 points, a decrease of 0.32% [2] - North Exchange 50 Index: 1405.64, up 7.51 points, an increase of 0.54% [2] - CSI 300 Index: 4556.74, up 2.41 points, an increase of 0.05% [2] - Shanghai 50 Index: 2978.52, up 0.06 points, a negligible change [2]