深圳能源、深赛格等50股涨停

Group 1 - A-shares experienced significant activity with 50 stocks hitting the daily limit up and 3 stocks hitting the limit down during the half-day session [1] - The coal sector showed strong performance, with companies like Dayou Energy achieving 9 limit ups in 10 days, and other firms such as Shanxi Coking Coal and Shanghai Energy also reaching limit up [1] - Shenzhen state-owned enterprises gained momentum, with Shenzhen Energy and Shen Saige hitting the limit up [1] Group 2 - *ST Yuancheng faced a continuous decline with 9 consecutive limit downs, while Huajian Group and Ruineng Technology also experienced limit downs [2]